2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
14 #include <sys/types.h>
17 #include <netlink/genl/genl.h>
18 #include <netlink/genl/ctrl.h>
19 #ifdef CONFIG_LIBNL3_ROUTE
20 #include <netlink/route/neighbour.h>
21 #endif /* CONFIG_LIBNL3_ROUTE */
22 #include <linux/rtnetlink.h>
23 #include <netpacket/packet.h>
24 #include <linux/errqueue.h>
28 #include "common/qca-vendor.h"
29 #include "common/qca-vendor-attr.h"
30 #include "common/ieee802_11_defs.h"
31 #include "common/ieee802_11_common.h"
32 #include "l2_packet/l2_packet.h"
34 #include "linux_defines.h"
35 #include "linux_ioctl.h"
37 #include "radiotap_iter.h"
39 #include "driver_nl80211.h"
42 #ifndef CONFIG_LIBNL20
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
50 static uint32_t port_bitmap[32] = { 0 };
52 static struct nl_handle *nl80211_handle_alloc(void *cb)
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
58 handle = nl_handle_alloc_cb(cb);
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
63 port_bitmap[i / 32] |= 1 << (i % 32);
68 nl_socket_set_local_port(handle, pid);
73 static void nl80211_handle_destroy(struct nl_handle *handle)
75 uint32_t port = nl_socket_get_local_port(handle);
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
80 nl_handle_destroy(handle);
82 #endif /* CONFIG_LIBNL20 */
86 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
87 #undef nl_socket_set_nonblocking
88 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
90 #define genl_ctrl_resolve android_genl_ctrl_resolve
94 static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
96 struct nl_handle *handle;
98 handle = nl80211_handle_alloc(cb);
100 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
101 "callbacks (%s)", dbg);
105 if (genl_connect(handle)) {
106 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
107 "netlink (%s)", dbg);
108 nl80211_handle_destroy(handle);
116 static void nl_destroy_handles(struct nl_handle **handle)
120 nl80211_handle_destroy(*handle);
126 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
128 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
131 static void nl80211_register_eloop_read(struct nl_handle **handle,
132 eloop_sock_handler handler,
135 nl_socket_set_nonblocking(*handle);
136 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
137 eloop_data, *handle);
138 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
142 static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
144 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
145 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
146 nl_destroy_handles(handle);
150 static void nl80211_global_deinit(void *priv);
152 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
153 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
154 struct hostapd_freq_params *freq);
157 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
158 const u8 *set_addr, int first,
159 const char *driver_params);
160 static int nl80211_send_frame_cmd(struct i802_bss *bss,
161 unsigned int freq, unsigned int wait,
162 const u8 *buf, size_t buf_len, u64 *cookie,
163 int no_cck, int no_ack, int offchanok);
164 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
167 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
168 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
169 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
171 static int nl80211_set_channel(struct i802_bss *bss,
172 struct hostapd_freq_params *freq, int set_chan);
173 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
174 int ifindex, int disabled);
176 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
179 static int i802_set_iface_flags(struct i802_bss *bss, int up);
180 static int nl80211_set_param(void *priv, const char *param);
183 /* Converts nl80211_chan_width to a common format */
184 enum chan_width convert2width(int width)
187 case NL80211_CHAN_WIDTH_20_NOHT:
188 return CHAN_WIDTH_20_NOHT;
189 case NL80211_CHAN_WIDTH_20:
190 return CHAN_WIDTH_20;
191 case NL80211_CHAN_WIDTH_40:
192 return CHAN_WIDTH_40;
193 case NL80211_CHAN_WIDTH_80:
194 return CHAN_WIDTH_80;
195 case NL80211_CHAN_WIDTH_80P80:
196 return CHAN_WIDTH_80P80;
197 case NL80211_CHAN_WIDTH_160:
198 return CHAN_WIDTH_160;
200 return CHAN_WIDTH_UNKNOWN;
204 int is_ap_interface(enum nl80211_iftype nlmode)
206 return nlmode == NL80211_IFTYPE_AP ||
207 nlmode == NL80211_IFTYPE_P2P_GO;
211 int is_sta_interface(enum nl80211_iftype nlmode)
213 return nlmode == NL80211_IFTYPE_STATION ||
214 nlmode == NL80211_IFTYPE_P2P_CLIENT;
218 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
220 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
221 nlmode == NL80211_IFTYPE_P2P_GO;
225 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
228 struct i802_bss *bss;
230 for (bss = drv->first_bss; bss; bss = bss->next) {
231 if (bss->ifindex == ifindex)
239 static int is_mesh_interface(enum nl80211_iftype nlmode)
241 return nlmode == NL80211_IFTYPE_MESH_POINT;
245 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
248 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
250 os_memset(drv->bssid, 0, ETH_ALEN);
255 static int ack_handler(struct nl_msg *msg, void *arg)
262 static int finish_handler(struct nl_msg *msg, void *arg)
269 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
278 static int no_seq_check(struct nl_msg *msg, void *arg)
284 static int send_and_recv(struct nl80211_global *global,
285 struct nl_handle *nl_handle, struct nl_msg *msg,
286 int (*valid_handler)(struct nl_msg *, void *),
295 cb = nl_cb_clone(global->nl_cb);
299 err = nl_send_auto_complete(nl_handle, msg);
305 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
306 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
307 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
310 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
311 valid_handler, valid_data);
314 int res = nl_recvmsgs(nl_handle, cb);
317 "nl80211: %s->nl_recvmsgs failed: %d",
328 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
330 int (*valid_handler)(struct nl_msg *, void *),
333 return send_and_recv(drv->global, drv->global->nl, msg,
334 valid_handler, valid_data);
344 static int family_handler(struct nl_msg *msg, void *arg)
346 struct family_data *res = arg;
347 struct nlattr *tb[CTRL_ATTR_MAX + 1];
348 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
349 struct nlattr *mcgrp;
352 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
353 genlmsg_attrlen(gnlh, 0), NULL);
354 if (!tb[CTRL_ATTR_MCAST_GROUPS])
357 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
358 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
359 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
360 nla_len(mcgrp), NULL);
361 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
362 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
363 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
365 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
367 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
375 static int nl_get_multicast_id(struct nl80211_global *global,
376 const char *family, const char *group)
380 struct family_data res = { group, -ENOENT };
385 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
386 0, 0, CTRL_CMD_GETFAMILY, 0) ||
387 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
392 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
399 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
400 struct nl_msg *msg, int flags, uint8_t cmd)
402 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
407 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
409 if (bss->wdev_id_set)
410 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
411 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
415 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
423 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
424 nl80211_set_iface_id(msg, bss) < 0) {
433 static struct nl_msg *
434 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
435 int flags, uint8_t cmd)
443 if (!nl80211_cmd(drv, msg, flags, cmd) ||
444 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
453 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
456 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
460 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
462 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
466 struct wiphy_idx_data {
468 enum nl80211_iftype nlmode;
473 static int netdev_info_handler(struct nl_msg *msg, void *arg)
475 struct nlattr *tb[NL80211_ATTR_MAX + 1];
476 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
477 struct wiphy_idx_data *info = arg;
479 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
480 genlmsg_attrlen(gnlh, 0), NULL);
482 if (tb[NL80211_ATTR_WIPHY])
483 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
485 if (tb[NL80211_ATTR_IFTYPE])
486 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
488 if (tb[NL80211_ATTR_MAC] && info->macaddr)
489 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
496 int nl80211_get_wiphy_index(struct i802_bss *bss)
499 struct wiphy_idx_data data = {
504 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
507 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
508 return data.wiphy_idx;
513 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
516 struct wiphy_idx_data data = {
517 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
521 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
522 return NL80211_IFTYPE_UNSPECIFIED;
524 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
526 return NL80211_IFTYPE_UNSPECIFIED;
530 static int nl80211_get_macaddr(struct i802_bss *bss)
533 struct wiphy_idx_data data = {
534 .macaddr = bss->addr,
537 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
540 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
544 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
545 struct nl80211_wiphy_data *w)
554 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
555 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
560 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
562 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
563 "failed: ret=%d (%s)",
564 ret, strerror(-ret));
570 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
572 struct nl80211_wiphy_data *w = eloop_ctx;
575 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
577 res = nl_recvmsgs(handle, w->nl_cb);
579 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
585 static int process_beacon_event(struct nl_msg *msg, void *arg)
587 struct nl80211_wiphy_data *w = arg;
588 struct wpa_driver_nl80211_data *drv;
589 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
590 struct nlattr *tb[NL80211_ATTR_MAX + 1];
591 union wpa_event_data event;
593 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
594 genlmsg_attrlen(gnlh, 0), NULL);
596 if (gnlh->cmd != NL80211_CMD_FRAME) {
597 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
602 if (!tb[NL80211_ATTR_FRAME])
605 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
607 os_memset(&event, 0, sizeof(event));
608 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
609 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
610 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
617 static struct nl80211_wiphy_data *
618 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
620 static DEFINE_DL_LIST(nl80211_wiphys);
621 struct nl80211_wiphy_data *w;
622 int wiphy_idx, found = 0;
623 struct i802_bss *tmp_bss;
625 if (bss->wiphy_data != NULL)
626 return bss->wiphy_data;
628 wiphy_idx = nl80211_get_wiphy_index(bss);
630 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
631 if (w->wiphy_idx == wiphy_idx)
636 w = os_zalloc(sizeof(*w));
639 w->wiphy_idx = wiphy_idx;
640 dl_list_init(&w->bsss);
641 dl_list_init(&w->drvs);
643 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
648 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
649 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
652 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
654 if (w->nl_beacons == NULL) {
659 if (nl80211_register_beacons(bss->drv, w)) {
660 nl_destroy_handles(&w->nl_beacons);
665 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
667 dl_list_add(&nl80211_wiphys, &w->list);
670 /* drv entry for this bss already there? */
671 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
672 if (tmp_bss->drv == bss->drv) {
679 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
681 dl_list_add(&w->bsss, &bss->wiphy_list);
687 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
689 struct nl80211_wiphy_data *w = bss->wiphy_data;
690 struct i802_bss *tmp_bss;
695 bss->wiphy_data = NULL;
696 dl_list_del(&bss->wiphy_list);
698 /* still any for this drv present? */
699 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
700 if (tmp_bss->drv == bss->drv) {
705 /* if not remove it */
707 dl_list_del(&bss->drv->wiphy_list);
709 if (!dl_list_empty(&w->bsss))
712 nl80211_destroy_eloop_handle(&w->nl_beacons);
715 dl_list_del(&w->list);
720 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
722 struct i802_bss *bss = priv;
723 struct wpa_driver_nl80211_data *drv = bss->drv;
724 if (!drv->associated)
726 os_memcpy(bssid, drv->bssid, ETH_ALEN);
731 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
733 struct i802_bss *bss = priv;
734 struct wpa_driver_nl80211_data *drv = bss->drv;
735 if (!drv->associated)
737 os_memcpy(ssid, drv->ssid, drv->ssid_len);
738 return drv->ssid_len;
742 static void wpa_driver_nl80211_event_newlink(
743 struct wpa_driver_nl80211_data *drv, char *ifname)
745 union wpa_event_data event;
747 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
748 if (if_nametoindex(drv->first_bss->ifname) == 0) {
749 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
750 drv->first_bss->ifname);
753 if (!drv->if_removed)
755 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
756 drv->first_bss->ifname);
760 os_memset(&event, 0, sizeof(event));
761 os_strlcpy(event.interface_status.ifname, ifname,
762 sizeof(event.interface_status.ifname));
763 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
764 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
768 static void wpa_driver_nl80211_event_dellink(
769 struct wpa_driver_nl80211_data *drv, char *ifname)
771 union wpa_event_data event;
773 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
774 if (drv->if_removed) {
775 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
779 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
783 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
787 os_memset(&event, 0, sizeof(event));
788 os_strlcpy(event.interface_status.ifname, ifname,
789 sizeof(event.interface_status.ifname));
790 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
791 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
795 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
798 int attrlen, rta_len;
802 attr = (struct rtattr *) buf;
804 rta_len = RTA_ALIGN(sizeof(struct rtattr));
805 while (RTA_OK(attr, attrlen)) {
806 if (attr->rta_type == IFLA_IFNAME) {
807 if (os_strcmp(((char *) attr) + rta_len,
808 drv->first_bss->ifname) == 0)
813 attr = RTA_NEXT(attr, attrlen);
820 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
821 int ifindex, u8 *buf, size_t len)
823 if (drv->ifindex == ifindex)
826 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
827 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
829 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
837 static struct wpa_driver_nl80211_data *
838 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
840 struct wpa_driver_nl80211_data *drv;
841 dl_list_for_each(drv, &global->interfaces,
842 struct wpa_driver_nl80211_data, list) {
843 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
844 have_ifidx(drv, idx))
851 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
852 struct ifinfomsg *ifi,
855 struct nl80211_global *global = ctx;
856 struct wpa_driver_nl80211_data *drv;
860 char namebuf[IFNAMSIZ];
861 char ifname[IFNAMSIZ + 1];
862 char extra[100], *pos, *end;
864 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
866 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
873 end = pos + sizeof(extra);
877 attr = (struct rtattr *) buf;
878 while (RTA_OK(attr, attrlen)) {
879 switch (attr->rta_type) {
881 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
883 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
884 ifname[RTA_PAYLOAD(attr)] = '\0';
887 brid = nla_get_u32((struct nlattr *) attr);
888 pos += os_snprintf(pos, end - pos, " master=%u", brid);
891 pos += os_snprintf(pos, end - pos, " wext");
894 pos += os_snprintf(pos, end - pos, " operstate=%u",
895 nla_get_u32((struct nlattr *) attr));
898 pos += os_snprintf(pos, end - pos, " linkmode=%u",
899 nla_get_u32((struct nlattr *) attr));
902 attr = RTA_NEXT(attr, attrlen);
904 extra[sizeof(extra) - 1] = '\0';
906 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
907 ifi->ifi_index, ifname, extra, ifi->ifi_family,
909 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
910 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
911 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
912 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
914 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
915 if (if_indextoname(ifi->ifi_index, namebuf) &&
916 linux_iface_up(drv->global->ioctl_sock,
917 drv->first_bss->ifname) > 0) {
918 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
919 "event since interface %s is up", namebuf);
920 drv->ignore_if_down_event = 0;
923 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
924 if (drv->ignore_if_down_event) {
925 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
926 "event generated by mode change");
927 drv->ignore_if_down_event = 0;
929 drv->if_disabled = 1;
930 wpa_supplicant_event(drv->ctx,
931 EVENT_INTERFACE_DISABLED, NULL);
934 * Try to get drv again, since it may be removed as
935 * part of the EVENT_INTERFACE_DISABLED handling for
938 drv = nl80211_find_drv(global, ifi->ifi_index,
945 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
946 if (if_indextoname(ifi->ifi_index, namebuf) &&
947 linux_iface_up(drv->global->ioctl_sock,
948 drv->first_bss->ifname) == 0) {
949 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
950 "event since interface %s is down",
952 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
953 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
954 "event since interface %s does not exist",
955 drv->first_bss->ifname);
956 } else if (drv->if_removed) {
957 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
958 "event since interface %s is marked "
959 "removed", drv->first_bss->ifname);
961 struct i802_bss *bss;
964 /* Re-read MAC address as it may have changed */
965 bss = get_bss_ifindex(drv, ifi->ifi_index);
967 linux_get_ifhwaddr(drv->global->ioctl_sock,
968 bss->ifname, addr) < 0) {
969 wpa_printf(MSG_DEBUG,
970 "nl80211: %s: failed to re-read MAC address",
973 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
974 wpa_printf(MSG_DEBUG,
975 "nl80211: Own MAC address on ifindex %d (%s) changed from "
976 MACSTR " to " MACSTR,
977 ifi->ifi_index, bss->ifname,
980 os_memcpy(bss->addr, addr, ETH_ALEN);
983 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
984 drv->if_disabled = 0;
985 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
991 * Some drivers send the association event before the operup event--in
992 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
993 * fails. This will hit us when wpa_supplicant does not need to do
994 * IEEE 802.1X authentication
996 if (drv->operstate == 1 &&
997 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
998 !(ifi->ifi_flags & IFF_RUNNING)) {
999 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1000 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1005 wpa_driver_nl80211_event_newlink(drv, ifname);
1007 if (ifi->ifi_family == AF_BRIDGE && brid) {
1008 struct i802_bss *bss;
1010 /* device has been added to bridge */
1011 if_indextoname(brid, namebuf);
1012 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1014 add_ifidx(drv, brid);
1016 for (bss = drv->first_bss; bss; bss = bss->next) {
1017 if (os_strcmp(ifname, bss->ifname) == 0) {
1018 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1026 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1027 struct ifinfomsg *ifi,
1028 u8 *buf, size_t len)
1030 struct nl80211_global *global = ctx;
1031 struct wpa_driver_nl80211_data *drv;
1033 struct rtattr *attr;
1035 char ifname[IFNAMSIZ + 1];
1036 char extra[100], *pos, *end;
1038 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1040 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1047 end = pos + sizeof(extra);
1051 attr = (struct rtattr *) buf;
1052 while (RTA_OK(attr, attrlen)) {
1053 switch (attr->rta_type) {
1055 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1057 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1058 ifname[RTA_PAYLOAD(attr)] = '\0';
1061 brid = nla_get_u32((struct nlattr *) attr);
1062 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1064 case IFLA_OPERSTATE:
1065 pos += os_snprintf(pos, end - pos, " operstate=%u",
1066 nla_get_u32((struct nlattr *) attr));
1069 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1070 nla_get_u32((struct nlattr *) attr));
1073 attr = RTA_NEXT(attr, attrlen);
1075 extra[sizeof(extra) - 1] = '\0';
1077 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1078 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1080 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1081 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1082 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1083 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1085 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
1086 wpa_driver_nl80211_event_dellink(drv, ifname);
1088 if (ifi->ifi_family == AF_BRIDGE && brid) {
1089 /* device has been removed from bridge */
1090 char namebuf[IFNAMSIZ];
1091 if_indextoname(brid, namebuf);
1092 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1093 "%s", brid, namebuf);
1094 del_ifidx(drv, brid);
1099 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1103 struct nl80211_bss_info_arg arg;
1105 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1106 os_memset(&arg, 0, sizeof(arg));
1108 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1110 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1111 arg.ibss_freq : arg.assoc_freq;
1112 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1113 "associated BSS from scan results: %u MHz", freq);
1115 drv->assoc_freq = freq;
1116 return drv->assoc_freq;
1118 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1119 "(%s)", ret, strerror(-ret));
1120 return drv->assoc_freq;
1124 static int get_link_signal(struct nl_msg *msg, void *arg)
1126 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1127 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1128 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1129 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1130 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1131 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1133 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1134 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1135 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1136 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1137 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1138 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1140 struct wpa_signal_info *sig_change = arg;
1142 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1143 genlmsg_attrlen(gnlh, 0), NULL);
1144 if (!tb[NL80211_ATTR_STA_INFO] ||
1145 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1146 tb[NL80211_ATTR_STA_INFO], policy))
1148 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1151 sig_change->current_signal =
1152 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1154 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1155 sig_change->avg_signal =
1156 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1158 sig_change->avg_signal = 0;
1160 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1161 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1162 sinfo[NL80211_STA_INFO_TX_BITRATE],
1164 sig_change->current_txrate = 0;
1166 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1167 sig_change->current_txrate =
1169 NL80211_RATE_INFO_BITRATE]) * 100;
1178 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1179 struct wpa_signal_info *sig)
1183 sig->current_signal = -9999;
1184 sig->current_txrate = 0;
1186 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1187 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1192 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1196 static int get_link_noise(struct nl_msg *msg, void *arg)
1198 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1199 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1200 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1201 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1202 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1203 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1205 struct wpa_signal_info *sig_change = arg;
1207 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1208 genlmsg_attrlen(gnlh, 0), NULL);
1210 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1211 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1215 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1216 tb[NL80211_ATTR_SURVEY_INFO],
1218 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1223 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1226 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1227 sig_change->frequency)
1230 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1233 sig_change->current_noise =
1234 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1240 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1241 struct wpa_signal_info *sig_change)
1245 sig_change->current_noise = 9999;
1246 sig_change->frequency = drv->assoc_freq;
1248 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1249 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1253 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1256 struct nl_cb *cb = eloop_ctx;
1259 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1261 res = nl_recvmsgs(handle, cb);
1263 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1270 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1271 * @priv: driver_nl80211 private data
1272 * @alpha2_arg: country to which to switch to
1273 * Returns: 0 on success, -1 on failure
1275 * This asks nl80211 to set the regulatory domain for given
1276 * country ISO / IEC alpha2.
1278 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1280 struct i802_bss *bss = priv;
1281 struct wpa_driver_nl80211_data *drv = bss->drv;
1285 msg = nlmsg_alloc();
1289 alpha2[0] = alpha2_arg[0];
1290 alpha2[1] = alpha2_arg[1];
1293 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1294 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1298 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1304 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1307 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1308 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1310 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1311 genlmsg_attrlen(gnlh, 0), NULL);
1312 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1313 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1316 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1321 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1323 struct i802_bss *bss = priv;
1324 struct wpa_driver_nl80211_data *drv = bss->drv;
1328 msg = nlmsg_alloc();
1332 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1334 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1342 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1346 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1347 if (global->nl_cb == NULL) {
1348 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1353 global->nl = nl_create_handle(global->nl_cb, "nl");
1354 if (global->nl == NULL)
1357 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1358 if (global->nl80211_id < 0) {
1359 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1364 global->nl_event = nl_create_handle(global->nl_cb, "event");
1365 if (global->nl_event == NULL)
1368 ret = nl_get_multicast_id(global, "nl80211", "scan");
1370 ret = nl_socket_add_membership(global->nl_event, ret);
1372 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1373 "membership for scan events: %d (%s)",
1374 ret, strerror(-ret));
1378 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1380 ret = nl_socket_add_membership(global->nl_event, ret);
1382 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1383 "membership for mlme events: %d (%s)",
1384 ret, strerror(-ret));
1388 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1390 ret = nl_socket_add_membership(global->nl_event, ret);
1392 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1393 "membership for regulatory events: %d (%s)",
1394 ret, strerror(-ret));
1395 /* Continue without regulatory events */
1398 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1400 ret = nl_socket_add_membership(global->nl_event, ret);
1402 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1403 "membership for vendor events: %d (%s)",
1404 ret, strerror(-ret));
1405 /* Continue without vendor events */
1408 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1409 no_seq_check, NULL);
1410 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1411 process_global_event, global);
1413 nl80211_register_eloop_read(&global->nl_event,
1414 wpa_driver_nl80211_event_receive,
1420 nl_destroy_handles(&global->nl_event);
1421 nl_destroy_handles(&global->nl);
1422 nl_cb_put(global->nl_cb);
1423 global->nl_cb = NULL;
1428 static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
1430 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1432 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
1436 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1437 no_seq_check, NULL);
1438 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1439 process_drv_event, drv);
1445 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1447 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1449 * This may be for any interface; use ifdown event to disable
1455 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1457 struct wpa_driver_nl80211_data *drv = ctx;
1458 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1459 if (i802_set_iface_flags(drv->first_bss, 1)) {
1460 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1461 "after rfkill unblock");
1464 /* rtnetlink ifup handler will report interface as enabled */
1468 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1472 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1477 struct cmsghdr *cmsg;
1478 int res, found_ee = 0, found_wifi = 0, acked = 0;
1479 union wpa_event_data event;
1481 memset(&msg, 0, sizeof(msg));
1482 msg.msg_iov = &entry;
1484 entry.iov_base = data;
1485 entry.iov_len = sizeof(data);
1486 msg.msg_control = &control;
1487 msg.msg_controllen = sizeof(control);
1489 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1490 /* if error or not fitting 802.3 header, return */
1494 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1496 if (cmsg->cmsg_level == SOL_SOCKET &&
1497 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1501 ack = (void *)CMSG_DATA(cmsg);
1505 if (cmsg->cmsg_level == SOL_PACKET &&
1506 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1507 struct sock_extended_err *err =
1508 (struct sock_extended_err *)CMSG_DATA(cmsg);
1510 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1515 if (!found_ee || !found_wifi)
1518 memset(&event, 0, sizeof(event));
1519 event.eapol_tx_status.dst = data;
1520 event.eapol_tx_status.data = data + 14;
1521 event.eapol_tx_status.data_len = res - 14;
1522 event.eapol_tx_status.ack = acked;
1523 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1527 static int nl80211_init_bss(struct i802_bss *bss)
1529 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1533 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1534 no_seq_check, NULL);
1535 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1536 process_bss_event, bss);
1542 static void nl80211_destroy_bss(struct i802_bss *bss)
1544 nl_cb_put(bss->nl_cb);
1549 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1550 void *global_priv, int hostapd,
1552 const char *driver_params)
1554 struct wpa_driver_nl80211_data *drv;
1555 struct rfkill_config *rcfg;
1556 struct i802_bss *bss;
1558 if (global_priv == NULL)
1560 drv = os_zalloc(sizeof(*drv));
1563 drv->global = global_priv;
1565 drv->hostapd = !!hostapd;
1566 drv->eapol_sock = -1;
1567 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1568 drv->if_indices = drv->default_if_indices;
1570 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1571 if (!drv->first_bss) {
1575 bss = drv->first_bss;
1579 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
1580 drv->monitor_ifidx = -1;
1581 drv->monitor_sock = -1;
1582 drv->eapol_tx_sock = -1;
1583 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1585 if (wpa_driver_nl80211_init_nl(drv)) {
1590 if (nl80211_init_bss(bss))
1593 rcfg = os_zalloc(sizeof(*rcfg));
1597 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1598 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1599 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1600 drv->rfkill = rfkill_init(rcfg);
1601 if (drv->rfkill == NULL) {
1602 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1606 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1607 drv->start_iface_up = 1;
1609 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
1612 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
1613 if (drv->eapol_tx_sock < 0)
1616 if (drv->data_tx_status) {
1619 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1620 &enabled, sizeof(enabled)) < 0) {
1621 wpa_printf(MSG_DEBUG,
1622 "nl80211: wifi status sockopt failed\n");
1623 drv->data_tx_status = 0;
1624 if (!drv->use_monitor)
1626 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1628 eloop_register_read_sock(drv->eapol_tx_sock,
1629 wpa_driver_nl80211_handle_eapol_tx_status,
1635 dl_list_add(&drv->global->interfaces, &drv->list);
1636 drv->in_interface_list = 1;
1642 wpa_driver_nl80211_deinit(bss);
1648 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1649 * @ctx: context to be used when calling wpa_supplicant functions,
1650 * e.g., wpa_supplicant_event()
1651 * @ifname: interface name, e.g., wlan0
1652 * @global_priv: private driver global data from global_init()
1653 * Returns: Pointer to private data, %NULL on failure
1655 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1658 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1663 static int nl80211_register_frame(struct i802_bss *bss,
1664 struct nl_handle *nl_handle,
1665 u16 type, const u8 *match, size_t match_len)
1667 struct wpa_driver_nl80211_data *drv = bss->drv;
1673 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
1674 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1675 type, fc2str(type), nl_handle, buf);
1677 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
1678 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1679 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1684 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
1686 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1687 "failed (type=%u): ret=%d (%s)",
1688 type, ret, strerror(-ret));
1689 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
1696 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1698 struct wpa_driver_nl80211_data *drv = bss->drv;
1701 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
1702 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
1706 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
1707 if (bss->nl_mgmt == NULL)
1714 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1716 nl80211_register_eloop_read(&bss->nl_mgmt,
1717 wpa_driver_nl80211_event_receive,
1722 static int nl80211_register_action_frame(struct i802_bss *bss,
1723 const u8 *match, size_t match_len)
1725 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
1726 return nl80211_register_frame(bss, bss->nl_mgmt,
1727 type, match, match_len);
1731 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
1733 struct wpa_driver_nl80211_data *drv = bss->drv;
1736 if (nl80211_alloc_mgmt_handle(bss))
1738 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1739 "handle %p", bss->nl_mgmt);
1741 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1742 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1744 /* register for any AUTH message */
1745 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1748 #ifdef CONFIG_INTERWORKING
1749 /* QoS Map Configure */
1750 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
1752 #endif /* CONFIG_INTERWORKING */
1753 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
1754 /* GAS Initial Request */
1755 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
1757 /* GAS Initial Response */
1758 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
1760 /* GAS Comeback Request */
1761 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
1763 /* GAS Comeback Response */
1764 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
1766 /* Protected GAS Initial Request */
1767 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1769 /* Protected GAS Initial Response */
1770 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1772 /* Protected GAS Comeback Request */
1773 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1775 /* Protected GAS Comeback Response */
1776 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1778 #endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1780 /* P2P Public Action */
1781 if (nl80211_register_action_frame(bss,
1782 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1786 if (nl80211_register_action_frame(bss,
1787 (u8 *) "\x7f\x50\x6f\x9a\x09",
1790 #endif /* CONFIG_P2P */
1791 #ifdef CONFIG_IEEE80211W
1792 /* SA Query Response */
1793 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
1795 #endif /* CONFIG_IEEE80211W */
1797 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1798 /* TDLS Discovery Response */
1799 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
1803 #endif /* CONFIG_TDLS */
1805 /* FT Action frames */
1806 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
1809 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1810 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1812 /* WNM - BSS Transition Management Request */
1813 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
1815 /* WNM-Sleep Mode Response */
1816 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
1820 /* WNM-Notification */
1821 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
1823 #endif /* CONFIG_HS20 */
1825 /* WMM-AC ADDTS Response */
1826 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1830 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1833 /* Radio Measurement - Neighbor Report Response */
1834 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1837 /* Radio Measurement - Link Measurement Request */
1838 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1839 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1842 nl80211_mgmt_handle_register_eloop(bss);
1848 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1852 if (nl80211_alloc_mgmt_handle(bss))
1855 wpa_printf(MSG_DEBUG,
1856 "nl80211: Subscribe to mgmt frames with mesh handle %p",
1859 /* Auth frames for mesh SAE */
1860 if (nl80211_register_frame(bss, bss->nl_mgmt,
1861 (WLAN_FC_TYPE_MGMT << 2) |
1862 (WLAN_FC_STYPE_AUTH << 4),
1866 /* Mesh peering open */
1867 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1869 /* Mesh peering confirm */
1870 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1872 /* Mesh peering close */
1873 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1876 nl80211_mgmt_handle_register_eloop(bss);
1882 static int nl80211_register_spurious_class3(struct i802_bss *bss)
1887 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1888 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
1890 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1891 "failed: ret=%d (%s)",
1892 ret, strerror(-ret));
1898 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1900 static const int stypes[] = {
1902 WLAN_FC_STYPE_ASSOC_REQ,
1903 WLAN_FC_STYPE_REASSOC_REQ,
1904 WLAN_FC_STYPE_DISASSOC,
1905 WLAN_FC_STYPE_DEAUTH,
1906 WLAN_FC_STYPE_ACTION,
1907 WLAN_FC_STYPE_PROBE_REQ,
1908 /* Beacon doesn't work as mac80211 doesn't currently allow
1909 * it, but it wouldn't really be the right thing anyway as
1910 * it isn't per interface ... maybe just dump the scan
1911 * results periodically for OLBC?
1913 /* WLAN_FC_STYPE_BEACON, */
1917 if (nl80211_alloc_mgmt_handle(bss))
1919 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1920 "handle %p", bss->nl_mgmt);
1922 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
1923 if (nl80211_register_frame(bss, bss->nl_mgmt,
1924 (WLAN_FC_TYPE_MGMT << 2) |
1931 if (nl80211_register_spurious_class3(bss))
1934 if (nl80211_get_wiphy_data_ap(bss) == NULL)
1937 nl80211_mgmt_handle_register_eloop(bss);
1941 nl_destroy_handles(&bss->nl_mgmt);
1946 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
1948 if (nl80211_alloc_mgmt_handle(bss))
1950 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1951 "handle %p (device SME)", bss->nl_mgmt);
1953 if (nl80211_register_frame(bss, bss->nl_mgmt,
1954 (WLAN_FC_TYPE_MGMT << 2) |
1955 (WLAN_FC_STYPE_ACTION << 4),
1959 nl80211_mgmt_handle_register_eloop(bss);
1963 nl_destroy_handles(&bss->nl_mgmt);
1968 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
1970 if (bss->nl_mgmt == NULL)
1972 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
1973 "(%s)", bss->nl_mgmt, reason);
1974 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
1976 nl80211_put_wiphy_data_ap(bss);
1980 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
1982 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
1986 static void nl80211_del_p2pdev(struct i802_bss *bss)
1991 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
1992 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
1994 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
1995 bss->ifname, (long long unsigned int) bss->wdev_id,
2000 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2005 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2006 NL80211_CMD_STOP_P2P_DEVICE);
2007 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2009 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2010 start ? "Start" : "Stop",
2011 bss->ifname, (long long unsigned int) bss->wdev_id,
2017 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2019 enum nl80211_iftype nlmode;
2021 nlmode = nl80211_get_ifmode(bss);
2022 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2023 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2027 /* P2P Device has start/stop which is equivalent */
2028 return nl80211_set_p2pdev(bss, up);
2033 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2034 const u8 *set_addr, int first,
2035 const char *driver_params)
2037 struct i802_bss *bss = drv->first_bss;
2038 int send_rfkill_event = 0;
2039 enum nl80211_iftype nlmode;
2041 drv->ifindex = if_nametoindex(bss->ifname);
2042 bss->ifindex = drv->ifindex;
2043 bss->wdev_id = drv->global->if_add_wdevid;
2044 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2046 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2047 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2048 drv->global->if_add_wdevid_set = 0;
2050 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2053 if (wpa_driver_nl80211_capa(drv))
2056 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2059 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2060 bss->ifname, drv->phyname);
2063 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2064 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2068 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2069 drv->start_mode_ap = 1;
2071 if (drv->hostapd || bss->static_ap)
2072 nlmode = NL80211_IFTYPE_AP;
2073 else if (bss->if_dynamic)
2074 nlmode = nl80211_get_ifmode(bss);
2076 nlmode = NL80211_IFTYPE_STATION;
2078 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2079 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2083 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2084 nl80211_get_macaddr(bss);
2086 if (!rfkill_is_blocked(drv->rfkill)) {
2087 int ret = i802_set_iface_flags(bss, 1);
2089 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2090 "interface '%s' UP", bss->ifname);
2093 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2096 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2097 "interface '%s' due to rfkill", bss->ifname);
2098 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2100 drv->if_disabled = 1;
2101 send_rfkill_event = 1;
2105 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2106 1, IF_OPER_DORMANT);
2108 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2111 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2113 if (send_rfkill_event) {
2114 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2122 static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2126 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2128 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2129 return send_and_recv_msgs(drv, msg, NULL, NULL);
2134 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2135 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2137 * Shut down driver interface and processing of driver events. Free
2138 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2140 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2142 struct wpa_driver_nl80211_data *drv = bss->drv;
2144 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2145 bss->ifname, drv->disabled_11b_rates);
2148 if (drv->data_tx_status)
2149 eloop_unregister_read_sock(drv->eapol_tx_sock);
2150 if (drv->eapol_tx_sock >= 0)
2151 close(drv->eapol_tx_sock);
2154 wpa_driver_nl80211_probe_req_report(bss, 0);
2155 if (bss->added_if_into_bridge) {
2156 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2158 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2159 "interface %s from bridge %s: %s",
2160 bss->ifname, bss->brname, strerror(errno));
2162 nl80211_handle_destroy(drv->rtnl_sk);
2164 if (bss->added_bridge) {
2165 linux_set_iface_flags(drv->global->ioctl_sock, bss->brname, 0);
2166 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2167 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2169 bss->brname, strerror(errno));
2172 nl80211_remove_monitor_interface(drv);
2174 if (is_ap_interface(drv->nlmode))
2175 wpa_driver_nl80211_del_beacon(drv);
2177 if (drv->eapol_sock >= 0) {
2178 eloop_unregister_read_sock(drv->eapol_sock);
2179 close(drv->eapol_sock);
2182 if (drv->if_indices != drv->default_if_indices)
2183 os_free(drv->if_indices);
2185 if (drv->disabled_11b_rates)
2186 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2188 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2190 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2191 rfkill_deinit(drv->rfkill);
2193 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2195 if (!drv->start_iface_up)
2196 (void) i802_set_iface_flags(bss, 0);
2198 if (drv->addr_changed) {
2199 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2201 wpa_printf(MSG_DEBUG,
2202 "nl80211: Could not set interface down to restore permanent MAC address");
2204 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2205 drv->perm_addr) < 0) {
2206 wpa_printf(MSG_DEBUG,
2207 "nl80211: Could not restore permanent MAC address");
2211 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2212 if (!drv->hostapd || !drv->start_mode_ap)
2213 wpa_driver_nl80211_set_mode(bss,
2214 NL80211_IFTYPE_STATION);
2215 nl80211_mgmt_unsubscribe(bss, "deinit");
2217 nl80211_mgmt_unsubscribe(bss, "deinit");
2218 nl80211_del_p2pdev(bss);
2220 nl_cb_put(drv->nl_cb);
2222 nl80211_destroy_bss(drv->first_bss);
2224 os_free(drv->filter_ssids);
2226 os_free(drv->auth_ie);
2228 if (drv->in_interface_list)
2229 dl_list_del(&drv->list);
2231 os_free(drv->extended_capa);
2232 os_free(drv->extended_capa_mask);
2233 os_free(drv->first_bss);
2238 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2243 return WLAN_CIPHER_SUITE_WEP40;
2244 return WLAN_CIPHER_SUITE_WEP104;
2246 return WLAN_CIPHER_SUITE_TKIP;
2248 return WLAN_CIPHER_SUITE_CCMP;
2250 return WLAN_CIPHER_SUITE_GCMP;
2251 case WPA_ALG_CCMP_256:
2252 return WLAN_CIPHER_SUITE_CCMP_256;
2253 case WPA_ALG_GCMP_256:
2254 return WLAN_CIPHER_SUITE_GCMP_256;
2256 return WLAN_CIPHER_SUITE_AES_CMAC;
2257 case WPA_ALG_BIP_GMAC_128:
2258 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2259 case WPA_ALG_BIP_GMAC_256:
2260 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2261 case WPA_ALG_BIP_CMAC_256:
2262 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2264 return WLAN_CIPHER_SUITE_SMS4;
2266 return WLAN_CIPHER_SUITE_KRK;
2269 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2274 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2280 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2283 case WPA_CIPHER_CCMP_256:
2284 return WLAN_CIPHER_SUITE_CCMP_256;
2285 case WPA_CIPHER_GCMP_256:
2286 return WLAN_CIPHER_SUITE_GCMP_256;
2287 case WPA_CIPHER_CCMP:
2288 return WLAN_CIPHER_SUITE_CCMP;
2289 case WPA_CIPHER_GCMP:
2290 return WLAN_CIPHER_SUITE_GCMP;
2291 case WPA_CIPHER_TKIP:
2292 return WLAN_CIPHER_SUITE_TKIP;
2293 case WPA_CIPHER_WEP104:
2294 return WLAN_CIPHER_SUITE_WEP104;
2295 case WPA_CIPHER_WEP40:
2296 return WLAN_CIPHER_SUITE_WEP40;
2297 case WPA_CIPHER_GTK_NOT_USED:
2298 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
2305 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2310 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2311 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2312 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2313 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2314 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2315 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2316 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2317 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2318 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2319 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2320 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2321 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2322 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2323 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2329 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2330 const u8 *key, size_t key_len)
2335 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2338 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2339 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2340 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2341 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2342 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2346 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2348 wpa_printf(MSG_DEBUG,
2349 "nl80211: Key management set key failed: ret=%d (%s)",
2350 ret, strerror(-ret));
2357 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
2358 enum wpa_alg alg, const u8 *addr,
2359 int key_idx, int set_tx,
2360 const u8 *seq, size_t seq_len,
2361 const u8 *key, size_t key_len)
2363 struct wpa_driver_nl80211_data *drv = bss->drv;
2369 /* Ignore for P2P Device */
2370 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2373 ifindex = if_nametoindex(ifname);
2374 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2375 "set_tx=%d seq_len=%lu key_len=%lu",
2376 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
2377 (unsigned long) seq_len, (unsigned long) key_len);
2379 if (key_idx == -1) {
2383 #endif /* CONFIG_TDLS */
2385 if (alg == WPA_ALG_PMK &&
2386 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2387 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2389 ret = issue_key_mgmt_set_key(drv, key, key_len);
2393 if (alg == WPA_ALG_NONE) {
2394 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2398 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2400 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2401 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER,
2402 wpa_alg_to_cipher_suite(alg, key_len)))
2404 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
2407 if (seq && seq_len) {
2408 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2410 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2413 if (addr && !is_broadcast_ether_addr(addr)) {
2414 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
2415 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2418 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2419 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
2420 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2421 NL80211_KEYTYPE_GROUP))
2424 } else if (addr && is_broadcast_ether_addr(addr)) {
2425 struct nlattr *types;
2427 wpa_printf(MSG_DEBUG, " broadcast key");
2429 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2431 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2433 nla_nest_end(msg, types);
2435 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2438 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2439 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
2442 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2443 ret, strerror(-ret));
2446 * If we failed or don't need to set the default TX key (below),
2449 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
2451 if (is_ap_interface(drv->nlmode) && addr &&
2452 !is_broadcast_ether_addr(addr))
2455 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2457 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
2458 nla_put_flag(msg, alg == WPA_ALG_IGTK ?
2459 NL80211_ATTR_KEY_DEFAULT_MGMT :
2460 NL80211_ATTR_KEY_DEFAULT))
2462 if (addr && is_broadcast_ether_addr(addr)) {
2463 struct nlattr *types;
2465 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2467 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2469 nla_nest_end(msg, types);
2471 struct nlattr *types;
2473 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2475 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2477 nla_nest_end(msg, types);
2480 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2484 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2485 "err=%d %s)", ret, strerror(-ret));
2494 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
2495 int key_idx, int defkey,
2496 const u8 *seq, size_t seq_len,
2497 const u8 *key, size_t key_len)
2499 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2503 if (defkey && alg == WPA_ALG_IGTK) {
2504 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2506 } else if (defkey) {
2507 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2511 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2512 nla_put_u32(msg, NL80211_KEY_CIPHER,
2513 wpa_alg_to_cipher_suite(alg, key_len)) ||
2515 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2516 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2519 nla_nest_end(msg, key_attr);
2525 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2529 struct nlattr *nl_keys, *nl_key;
2531 for (i = 0; i < 4; i++) {
2532 if (!params->wep_key[i])
2537 if (params->wps == WPS_MODE_PRIVACY)
2539 if (params->pairwise_suite &&
2540 params->pairwise_suite != WPA_CIPHER_NONE)
2546 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2549 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2553 for (i = 0; i < 4; i++) {
2554 if (!params->wep_key[i])
2557 nl_key = nla_nest_start(msg, i);
2559 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2560 params->wep_key[i]) ||
2561 nla_put_u32(msg, NL80211_KEY_CIPHER,
2562 params->wep_key_len[i] == 5 ?
2563 WLAN_CIPHER_SUITE_WEP40 :
2564 WLAN_CIPHER_SUITE_WEP104) ||
2565 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2566 (i == params->wep_tx_keyidx &&
2567 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2570 nla_nest_end(msg, nl_key);
2572 nla_nest_end(msg, nl_keys);
2578 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2579 const u8 *addr, int cmd, u16 reason_code,
2580 int local_state_change)
2585 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
2586 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2587 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2588 (local_state_change &&
2589 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2594 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2596 wpa_dbg(drv->ctx, MSG_DEBUG,
2597 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2598 reason_code, ret, strerror(-ret));
2604 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
2609 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
2610 nl80211_mark_disconnected(drv);
2611 /* Disconnect command doesn't need BSSID - it uses cached value */
2612 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2615 * For locally generated disconnect, supplicant already generates a
2616 * DEAUTH event, so ignore the event from NL80211.
2618 drv->ignore_next_local_disconnect = ret == 0;
2624 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2625 const u8 *addr, int reason_code)
2627 struct wpa_driver_nl80211_data *drv = bss->drv;
2630 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2631 nl80211_mark_disconnected(drv);
2632 return nl80211_leave_ibss(drv, 1);
2634 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
2635 return wpa_driver_nl80211_disconnect(drv, reason_code);
2636 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2637 __func__, MAC2STR(addr), reason_code);
2638 nl80211_mark_disconnected(drv);
2639 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2642 * For locally generated deauthenticate, supplicant already generates a
2643 * DEAUTH event, so ignore the event from NL80211.
2645 drv->ignore_next_local_deauth = ret == 0;
2650 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2651 struct wpa_driver_auth_params *params)
2655 drv->auth_freq = params->freq;
2656 drv->auth_alg = params->auth_alg;
2657 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2658 drv->auth_local_state_change = params->local_state_change;
2659 drv->auth_p2p = params->p2p;
2662 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2664 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2667 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2668 drv->auth_ssid_len = params->ssid_len;
2670 drv->auth_ssid_len = 0;
2673 os_free(drv->auth_ie);
2674 drv->auth_ie = NULL;
2675 drv->auth_ie_len = 0;
2677 drv->auth_ie = os_malloc(params->ie_len);
2679 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2680 drv->auth_ie_len = params->ie_len;
2684 for (i = 0; i < 4; i++) {
2685 if (params->wep_key[i] && params->wep_key_len[i] &&
2686 params->wep_key_len[i] <= 16) {
2687 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2688 params->wep_key_len[i]);
2689 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2691 drv->auth_wep_key_len[i] = 0;
2696 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2698 struct wpa_driver_nl80211_data *drv = bss->drv;
2700 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2704 * Looks like we failed to unmask 11b rates previously. This could
2705 * happen, e.g., if the interface was down at the point in time when a
2706 * P2P group was terminated.
2708 wpa_printf(MSG_DEBUG,
2709 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2711 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2715 static int wpa_driver_nl80211_authenticate(
2716 struct i802_bss *bss, struct wpa_driver_auth_params *params)
2718 struct wpa_driver_nl80211_data *drv = bss->drv;
2721 enum nl80211_auth_type type;
2722 enum nl80211_iftype nlmode;
2726 nl80211_unmask_11b_rates(bss);
2728 is_retry = drv->retry_auth;
2729 drv->retry_auth = 0;
2730 drv->ignore_deauth_event = 0;
2732 nl80211_mark_disconnected(drv);
2733 os_memset(drv->auth_bssid, 0, ETH_ALEN);
2735 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2737 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
2738 /* FIX: IBSS mode */
2739 nlmode = params->p2p ?
2740 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2741 if (drv->nlmode != nlmode &&
2742 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
2746 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2749 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2753 for (i = 0; i < 4; i++) {
2754 if (!params->wep_key[i])
2756 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2758 i == params->wep_tx_keyidx, NULL, 0,
2760 params->wep_key_len[i]);
2761 if (params->wep_tx_keyidx != i)
2763 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
2764 params->wep_key[i], params->wep_key_len[i]))
2768 if (params->bssid) {
2769 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2770 MAC2STR(params->bssid));
2771 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2775 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
2776 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2780 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2781 params->ssid, params->ssid_len);
2782 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2786 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
2788 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2790 if (params->sae_data) {
2791 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2792 params->sae_data_len);
2793 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2797 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
2798 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2799 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
2800 type = NL80211_AUTHTYPE_SHARED_KEY;
2801 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
2802 type = NL80211_AUTHTYPE_NETWORK_EAP;
2803 else if (params->auth_alg & WPA_AUTH_ALG_FT)
2804 type = NL80211_AUTHTYPE_FT;
2805 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2806 type = NL80211_AUTHTYPE_SAE;
2809 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
2810 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2812 if (params->local_state_change) {
2813 wpa_printf(MSG_DEBUG, " * Local state change only");
2814 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2818 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2821 wpa_dbg(drv->ctx, MSG_DEBUG,
2822 "nl80211: MLME command failed (auth): ret=%d (%s)",
2823 ret, strerror(-ret));
2825 if (ret == -EALREADY && count == 1 && params->bssid &&
2826 !params->local_state_change) {
2828 * mac80211 does not currently accept new
2829 * authentication if we are already authenticated. As a
2830 * workaround, force deauthentication and try again.
2832 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
2833 "after forced deauthentication");
2834 drv->ignore_deauth_event = 1;
2835 wpa_driver_nl80211_deauthenticate(
2837 WLAN_REASON_PREV_AUTH_NOT_VALID);
2842 if (ret == -ENOENT && params->freq && !is_retry) {
2844 * cfg80211 has likely expired the BSS entry even
2845 * though it was previously available in our internal
2846 * BSS table. To recover quickly, start a single
2847 * channel scan on the specified channel.
2849 struct wpa_driver_scan_params scan;
2852 os_memset(&scan, 0, sizeof(scan));
2855 scan.ssids[0].ssid = params->ssid;
2856 scan.ssids[0].ssid_len = params->ssid_len;
2858 freqs[0] = params->freq;
2861 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
2862 "channel scan to refresh cfg80211 BSS "
2864 ret = wpa_driver_nl80211_scan(bss, &scan);
2866 nl80211_copy_auth_params(drv, params);
2867 drv->scan_for_auth = 1;
2869 } else if (is_retry) {
2871 * Need to indicate this with an event since the return
2872 * value from the retry is not delivered to core code.
2874 union wpa_event_data event;
2875 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
2877 os_memset(&event, 0, sizeof(event));
2878 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
2880 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
2884 wpa_printf(MSG_DEBUG,
2885 "nl80211: Authentication request send successfully");
2894 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
2896 struct wpa_driver_auth_params params;
2897 struct i802_bss *bss = drv->first_bss;
2900 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
2902 os_memset(¶ms, 0, sizeof(params));
2903 params.freq = drv->auth_freq;
2904 params.auth_alg = drv->auth_alg;
2905 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
2906 params.local_state_change = drv->auth_local_state_change;
2907 params.p2p = drv->auth_p2p;
2909 if (!is_zero_ether_addr(drv->auth_bssid_))
2910 params.bssid = drv->auth_bssid_;
2912 if (drv->auth_ssid_len) {
2913 params.ssid = drv->auth_ssid;
2914 params.ssid_len = drv->auth_ssid_len;
2917 params.ie = drv->auth_ie;
2918 params.ie_len = drv->auth_ie_len;
2920 for (i = 0; i < 4; i++) {
2921 if (drv->auth_wep_key_len[i]) {
2922 params.wep_key[i] = drv->auth_wep_key[i];
2923 params.wep_key_len[i] = drv->auth_wep_key_len[i];
2927 drv->retry_auth = 1;
2928 return wpa_driver_nl80211_authenticate(bss, ¶ms);
2932 static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
2933 const void *data, size_t len,
2934 int encrypt, int noack,
2935 unsigned int freq, int no_cck,
2936 int offchanok, unsigned int wait_time)
2938 struct wpa_driver_nl80211_data *drv = bss->drv;
2942 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
2943 freq = nl80211_get_assoc_freq(drv);
2944 wpa_printf(MSG_DEBUG,
2945 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
2949 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
2954 if (drv->use_monitor) {
2955 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
2957 return nl80211_send_monitor(drv, data, len, encrypt, noack);
2960 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
2961 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2962 &cookie, no_cck, noack, offchanok);
2963 if (res == 0 && !noack) {
2964 const struct ieee80211_mgmt *mgmt;
2967 mgmt = (const struct ieee80211_mgmt *) data;
2968 fc = le_to_host16(mgmt->frame_control);
2969 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2970 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
2971 wpa_printf(MSG_MSGDUMP,
2972 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
2973 (long long unsigned int)
2974 drv->send_action_cookie,
2975 (long long unsigned int) cookie);
2976 drv->send_action_cookie = cookie;
2984 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
2985 size_t data_len, int noack,
2986 unsigned int freq, int no_cck,
2988 unsigned int wait_time)
2990 struct wpa_driver_nl80211_data *drv = bss->drv;
2991 struct ieee80211_mgmt *mgmt;
2995 mgmt = (struct ieee80211_mgmt *) data;
2996 fc = le_to_host16(mgmt->frame_control);
2997 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
2998 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
2999 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3000 fc, fc2str(fc), drv->nlmode);
3002 if ((is_sta_interface(drv->nlmode) ||
3003 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3004 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3005 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3007 * The use of last_mgmt_freq is a bit of a hack,
3008 * but it works due to the single-threaded nature
3009 * of wpa_supplicant.
3012 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3013 drv->last_mgmt_freq);
3014 freq = drv->last_mgmt_freq;
3016 return nl80211_send_frame_cmd(bss, freq, 0,
3017 data, data_len, NULL, 1, noack,
3021 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3023 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3027 return nl80211_send_frame_cmd(bss, freq,
3028 (int) freq == bss->freq ? 0 :
3031 &drv->send_action_cookie,
3032 no_cck, noack, offchanok);
3035 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3036 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3038 * Only one of the authentication frame types is encrypted.
3039 * In order for static WEP encryption to work properly (i.e.,
3040 * to not encrypt the frame), we need to tell mac80211 about
3041 * the frames that must not be encrypted.
3043 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3044 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3045 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3049 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3050 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3051 noack, freq, no_cck, offchanok,
3056 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3057 int slot, int ht_opmode, int ap_isolate,
3060 struct wpa_driver_nl80211_data *drv = bss->drv;
3063 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3065 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3067 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3069 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3071 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3073 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)))
3077 u8 rates[NL80211_MAX_SUPP_RATES];
3081 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
3083 rates[rates_len++] = basic_rates[i] / 5;
3085 if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
3090 return send_and_recv_msgs(drv, msg, NULL, NULL);
3097 static int wpa_driver_nl80211_set_acl(void *priv,
3098 struct hostapd_acl_params *params)
3100 struct i802_bss *bss = priv;
3101 struct wpa_driver_nl80211_data *drv = bss->drv;
3107 if (!(drv->capa.max_acl_mac_addrs))
3110 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3113 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3114 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3116 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3117 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3118 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3119 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3120 (acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS)) == NULL) {
3125 for (i = 0; i < params->num_mac_acl; i++) {
3126 if (nla_put(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3132 nla_nest_end(msg, acl);
3134 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3136 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3137 ret, strerror(-ret));
3144 static int wpa_driver_nl80211_set_ap(void *priv,
3145 struct wpa_driver_ap_params *params)
3147 struct i802_bss *bss = priv;
3148 struct wpa_driver_nl80211_data *drv = bss->drv;
3150 u8 cmd = NL80211_CMD_NEW_BEACON;
3155 u32 suites[10], suite;
3158 beacon_set = bss->beacon_set;
3160 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
3163 cmd = NL80211_CMD_SET_BEACON;
3165 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3166 params->head, params->head_len);
3167 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3168 params->tail, params->tail_len);
3169 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
3170 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
3171 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
3172 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3173 params->ssid, params->ssid_len);
3174 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
3175 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3177 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3179 nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3180 params->beacon_int) ||
3181 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3182 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3184 if (params->proberesp && params->proberesp_len) {
3185 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3186 params->proberesp, params->proberesp_len);
3187 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3191 switch (params->hide_ssid) {
3192 case NO_SSID_HIDING:
3193 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
3194 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3195 NL80211_HIDDEN_SSID_NOT_IN_USE))
3198 case HIDDEN_SSID_ZERO_LEN:
3199 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
3200 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3201 NL80211_HIDDEN_SSID_ZERO_LEN))
3204 case HIDDEN_SSID_ZERO_CONTENTS:
3205 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
3206 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3207 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3211 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
3212 if (params->privacy &&
3213 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3215 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
3216 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3217 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3218 /* Leave out the attribute */
3219 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3220 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3221 NL80211_AUTHTYPE_SHARED_KEY))
3224 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3225 NL80211_AUTHTYPE_OPEN_SYSTEM))
3229 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
3231 if (params->wpa_version & WPA_PROTO_WPA)
3232 ver |= NL80211_WPA_VERSION_1;
3233 if (params->wpa_version & WPA_PROTO_RSN)
3234 ver |= NL80211_WPA_VERSION_2;
3236 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3239 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3240 params->key_mgmt_suites);
3242 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3243 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3244 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3245 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
3247 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3251 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
3252 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3253 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3256 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3257 params->pairwise_ciphers);
3258 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3259 suites, ARRAY_SIZE(suites));
3261 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3262 num_suites * sizeof(u32), suites))
3265 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3266 params->group_cipher);
3267 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
3269 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3272 switch (params->smps_mode) {
3273 case HT_CAP_INFO_SMPS_DYNAMIC:
3274 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3275 smps_mode = NL80211_SMPS_DYNAMIC;
3277 case HT_CAP_INFO_SMPS_STATIC:
3278 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3279 smps_mode = NL80211_SMPS_STATIC;
3282 /* invalid - fallback to smps off */
3283 case HT_CAP_INFO_SMPS_DISABLED:
3284 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3285 smps_mode = NL80211_SMPS_OFF;
3288 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3291 if (params->beacon_ies) {
3292 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3293 params->beacon_ies);
3294 if (nla_put(msg, NL80211_ATTR_IE,
3295 wpabuf_len(params->beacon_ies),
3296 wpabuf_head(params->beacon_ies)))
3299 if (params->proberesp_ies) {
3300 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3301 params->proberesp_ies);
3302 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3303 wpabuf_len(params->proberesp_ies),
3304 wpabuf_head(params->proberesp_ies)))
3307 if (params->assocresp_ies) {
3308 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3309 params->assocresp_ies);
3310 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3311 wpabuf_len(params->assocresp_ies),
3312 wpabuf_head(params->assocresp_ies)))
3316 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
3317 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3318 params->ap_max_inactivity);
3319 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3320 params->ap_max_inactivity))
3324 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3326 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3327 ret, strerror(-ret));
3329 bss->beacon_set = 1;
3330 nl80211_set_bss(bss, params->cts_protect, params->preamble,
3331 params->short_slot_time, params->ht_opmode,
3332 params->isolate, params->basic_rates);
3333 if (beacon_set && params->freq &&
3334 params->freq->bandwidth != bss->bandwidth) {
3335 wpa_printf(MSG_DEBUG,
3336 "nl80211: Update BSS %s bandwidth: %d -> %d",
3337 bss->ifname, bss->bandwidth,
3338 params->freq->bandwidth);
3339 ret = nl80211_set_channel(bss, params->freq, 1);
3341 wpa_printf(MSG_DEBUG,
3342 "nl80211: Frequency set failed: %d (%s)",
3343 ret, strerror(-ret));
3345 wpa_printf(MSG_DEBUG,
3346 "nl80211: Frequency set succeeded for ht2040 coex");
3347 bss->bandwidth = params->freq->bandwidth;
3349 } else if (!beacon_set) {
3351 * cfg80211 updates the driver on frequence change in AP
3352 * mode only at the point when beaconing is started, so
3353 * set the initial value here.
3355 bss->bandwidth = params->freq->bandwidth;
3365 static int nl80211_put_freq_params(struct nl_msg *msg,
3366 struct hostapd_freq_params *freq)
3368 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3371 if (freq->vht_enabled) {
3372 enum nl80211_chan_width cw;
3374 switch (freq->bandwidth) {
3376 cw = NL80211_CHAN_WIDTH_20;
3379 cw = NL80211_CHAN_WIDTH_40;
3382 if (freq->center_freq2)
3383 cw = NL80211_CHAN_WIDTH_80P80;
3385 cw = NL80211_CHAN_WIDTH_80;
3388 cw = NL80211_CHAN_WIDTH_160;
3394 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3395 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3396 freq->center_freq1) ||
3397 (freq->center_freq2 &&
3398 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3399 freq->center_freq2)))
3401 } else if (freq->ht_enabled) {
3402 enum nl80211_channel_type ct;
3404 switch (freq->sec_channel_offset) {
3406 ct = NL80211_CHAN_HT40MINUS;
3409 ct = NL80211_CHAN_HT40PLUS;
3412 ct = NL80211_CHAN_HT20;
3416 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3423 static int nl80211_set_channel(struct i802_bss *bss,
3424 struct hostapd_freq_params *freq, int set_chan)
3426 struct wpa_driver_nl80211_data *drv = bss->drv;
3430 wpa_printf(MSG_DEBUG,
3431 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3432 freq->freq, freq->ht_enabled, freq->vht_enabled,
3433 freq->bandwidth, freq->center_freq1, freq->center_freq2);
3435 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3436 NL80211_CMD_SET_WIPHY);
3437 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
3442 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3444 bss->freq = freq->freq;
3447 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
3448 "%d (%s)", freq->freq, ret, strerror(-ret));
3453 static u32 sta_flags_nl80211(int flags)
3457 if (flags & WPA_STA_AUTHORIZED)
3458 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3459 if (flags & WPA_STA_WMM)
3460 f |= BIT(NL80211_STA_FLAG_WME);
3461 if (flags & WPA_STA_SHORT_PREAMBLE)
3462 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3463 if (flags & WPA_STA_MFP)
3464 f |= BIT(NL80211_STA_FLAG_MFP);
3465 if (flags & WPA_STA_TDLS_PEER)
3466 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
3467 if (flags & WPA_STA_AUTHENTICATED)
3468 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
3475 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3479 return NL80211_PLINK_LISTEN;
3480 case PLINK_OPEN_SENT:
3481 return NL80211_PLINK_OPN_SNT;
3482 case PLINK_OPEN_RCVD:
3483 return NL80211_PLINK_OPN_RCVD;
3484 case PLINK_CNF_RCVD:
3485 return NL80211_PLINK_CNF_RCVD;
3487 return NL80211_PLINK_ESTAB;
3489 return NL80211_PLINK_HOLDING;
3491 return NL80211_PLINK_BLOCKED;
3493 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3498 #endif /* CONFIG_MESH */
3501 static int wpa_driver_nl80211_sta_add(void *priv,
3502 struct hostapd_sta_add_params *params)
3504 struct i802_bss *bss = priv;
3505 struct wpa_driver_nl80211_data *drv = bss->drv;
3507 struct nl80211_sta_flag_update upd;
3510 if ((params->flags & WPA_STA_TDLS_PEER) &&
3511 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3514 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3515 params->set ? "Set" : "Add", MAC2STR(params->addr));
3516 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3517 NL80211_CMD_NEW_STATION);
3518 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
3521 if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
3522 wpa_hexdump(MSG_DEBUG, " * supported rates",
3523 params->supp_rates, params->supp_rates_len);
3524 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3525 params->capability);
3526 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3527 params->supp_rates_len, params->supp_rates) ||
3528 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3529 params->capability))
3532 if (params->ht_capabilities) {
3533 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3534 (u8 *) params->ht_capabilities,
3535 sizeof(*params->ht_capabilities));
3536 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3537 sizeof(*params->ht_capabilities),
3538 params->ht_capabilities))
3542 if (params->vht_capabilities) {
3543 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3544 (u8 *) params->vht_capabilities,
3545 sizeof(*params->vht_capabilities));
3546 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3547 sizeof(*params->vht_capabilities),
3548 params->vht_capabilities))
3552 if (params->ext_capab) {
3553 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3554 params->ext_capab, params->ext_capab_len);
3555 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3556 params->ext_capab_len, params->ext_capab))
3562 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
3563 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3567 * cfg80211 validates that AID is non-zero, so we have
3568 * to make this a non-zero value for the TDLS case where
3569 * a dummy STA entry is used for now.
3571 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
3572 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3575 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3576 params->listen_interval);
3577 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3578 params->listen_interval))
3580 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3581 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
3582 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3586 if (params->vht_opmode_enabled) {
3587 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
3588 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3589 params->vht_opmode))
3593 if (params->supp_channels) {
3594 wpa_hexdump(MSG_DEBUG, " * supported channels",
3595 params->supp_channels, params->supp_channels_len);
3596 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3597 params->supp_channels_len, params->supp_channels))
3601 if (params->supp_oper_classes) {
3602 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3603 params->supp_oper_classes,
3604 params->supp_oper_classes_len);
3605 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3606 params->supp_oper_classes_len,
3607 params->supp_oper_classes))
3611 os_memset(&upd, 0, sizeof(upd));
3612 upd.set = sta_flags_nl80211(params->flags);
3613 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
3614 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3616 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3620 if (params->plink_state &&
3621 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3622 sta_plink_state_nl80211(params->plink_state)))
3624 #endif /* CONFIG_MESH */
3626 if (params->flags & WPA_STA_WMM) {
3627 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3629 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
3631 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3632 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3633 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3634 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3635 WMM_QOSINFO_STA_SP_MASK))
3637 nla_nest_end(msg, wme);
3640 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3643 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3644 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3654 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3656 #ifdef CONFIG_LIBNL3_ROUTE
3657 struct wpa_driver_nl80211_data *drv = bss->drv;
3658 struct rtnl_neigh *rn;
3659 struct nl_addr *nl_addr;
3662 rn = rtnl_neigh_alloc();
3666 rtnl_neigh_set_family(rn, AF_BRIDGE);
3667 rtnl_neigh_set_ifindex(rn, bss->ifindex);
3668 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3673 rtnl_neigh_set_lladdr(rn, nl_addr);
3675 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3677 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3678 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3679 bss->ifindex, nl_geterror(err));
3681 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3682 MACSTR, MAC2STR(addr));
3685 nl_addr_put(nl_addr);
3687 #endif /* CONFIG_LIBNL3_ROUTE */
3691 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3692 int deauth, u16 reason_code)
3694 struct wpa_driver_nl80211_data *drv = bss->drv;
3698 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
3699 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3701 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3702 WLAN_FC_STYPE_DISASSOC)) ||
3704 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3705 WLAN_FC_STYPE_DEAUTH)) ||
3707 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3712 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3713 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3715 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
3718 rtnl_neigh_delete_fdb_entry(bss, addr);
3726 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
3729 struct wpa_driver_nl80211_data *drv2;
3731 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3733 /* stop listening for EAPOL on this interface */
3734 dl_list_for_each(drv2, &drv->global->interfaces,
3735 struct wpa_driver_nl80211_data, list)
3736 del_ifidx(drv2, ifidx);
3738 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
3739 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3741 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
3745 static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3748 case NL80211_IFTYPE_ADHOC:
3750 case NL80211_IFTYPE_STATION:
3752 case NL80211_IFTYPE_AP:
3754 case NL80211_IFTYPE_AP_VLAN:
3756 case NL80211_IFTYPE_WDS:
3758 case NL80211_IFTYPE_MONITOR:
3760 case NL80211_IFTYPE_MESH_POINT:
3761 return "MESH_POINT";
3762 case NL80211_IFTYPE_P2P_CLIENT:
3763 return "P2P_CLIENT";
3764 case NL80211_IFTYPE_P2P_GO:
3766 case NL80211_IFTYPE_P2P_DEVICE:
3767 return "P2P_DEVICE";
3774 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3776 enum nl80211_iftype iftype,
3777 const u8 *addr, int wds,
3778 int (*handler)(struct nl_msg *, void *),
3785 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
3786 iftype, nl80211_iftype_str(iftype));
3788 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
3790 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
3791 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
3794 if (iftype == NL80211_IFTYPE_MONITOR) {
3795 struct nlattr *flags;
3797 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
3799 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
3802 nla_nest_end(msg, flags);
3804 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
3809 * Tell cfg80211 that the interface belongs to the socket that created
3810 * it, and the interface should be deleted when the socket is closed.
3812 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
3815 ret = send_and_recv_msgs(drv, msg, handler, arg);
3820 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
3821 ifname, ret, strerror(-ret));
3825 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
3828 ifidx = if_nametoindex(ifname);
3829 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
3836 * Some virtual interfaces need to process EAPOL packets and events on
3837 * the parent interface. This is used mainly with hostapd.
3840 iftype == NL80211_IFTYPE_AP_VLAN ||
3841 iftype == NL80211_IFTYPE_WDS ||
3842 iftype == NL80211_IFTYPE_MONITOR) {
3843 /* start listening for EAPOL on this interface */
3844 add_ifidx(drv, ifidx);
3847 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
3848 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
3849 nl80211_remove_iface(drv, ifidx);
3857 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
3858 const char *ifname, enum nl80211_iftype iftype,
3859 const u8 *addr, int wds,
3860 int (*handler)(struct nl_msg *, void *),
3861 void *arg, int use_existing)
3865 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
3868 /* if error occurred and interface exists already */
3869 if (ret == -ENFILE && if_nametoindex(ifname)) {
3871 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
3873 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
3874 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3876 (linux_set_iface_flags(drv->global->ioctl_sock,
3878 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3880 linux_set_iface_flags(drv->global->ioctl_sock,
3885 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
3887 /* Try to remove the interface that was already there. */
3888 nl80211_remove_iface(drv, if_nametoindex(ifname));
3890 /* Try to create the interface again */
3891 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
3895 if (ret >= 0 && is_p2p_net_interface(iftype)) {
3896 wpa_printf(MSG_DEBUG,
3897 "nl80211: Interface %s created for P2P - disable 11b rates",
3899 nl80211_disable_11b_rates(drv, ret, 1);
3906 static int nl80211_setup_ap(struct i802_bss *bss)
3908 struct wpa_driver_nl80211_data *drv = bss->drv;
3910 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
3911 bss->ifname, drv->device_ap_sme, drv->use_monitor);
3914 * Disable Probe Request reporting unless we need it in this way for
3915 * devices that include the AP SME, in the other case (unless using
3916 * monitor iface) we'll get it through the nl_mgmt socket instead.
3918 if (!drv->device_ap_sme)
3919 wpa_driver_nl80211_probe_req_report(bss, 0);
3921 if (!drv->device_ap_sme && !drv->use_monitor)
3922 if (nl80211_mgmt_subscribe_ap(bss))
3925 if (drv->device_ap_sme && !drv->use_monitor)
3926 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
3929 if (!drv->device_ap_sme && drv->use_monitor &&
3930 nl80211_create_monitor_interface(drv) &&
3931 !drv->device_ap_sme)
3934 if (drv->device_ap_sme &&
3935 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
3936 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
3937 "Probe Request frame reporting in AP mode");
3938 /* Try to survive without this */
3945 static void nl80211_teardown_ap(struct i802_bss *bss)
3947 struct wpa_driver_nl80211_data *drv = bss->drv;
3949 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
3950 bss->ifname, drv->device_ap_sme, drv->use_monitor);
3951 if (drv->device_ap_sme) {
3952 wpa_driver_nl80211_probe_req_report(bss, 0);
3953 if (!drv->use_monitor)
3954 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
3955 } else if (drv->use_monitor)
3956 nl80211_remove_monitor_interface(drv);
3958 nl80211_mgmt_unsubscribe(bss, "AP teardown");
3960 bss->beacon_set = 0;
3964 static int nl80211_send_eapol_data(struct i802_bss *bss,
3965 const u8 *addr, const u8 *data,
3968 struct sockaddr_ll ll;
3971 if (bss->drv->eapol_tx_sock < 0) {
3972 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
3976 os_memset(&ll, 0, sizeof(ll));
3977 ll.sll_family = AF_PACKET;
3978 ll.sll_ifindex = bss->ifindex;
3979 ll.sll_protocol = htons(ETH_P_PAE);
3980 ll.sll_halen = ETH_ALEN;
3981 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
3982 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
3983 (struct sockaddr *) &ll, sizeof(ll));
3985 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
3992 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
3994 static int wpa_driver_nl80211_hapd_send_eapol(
3995 void *priv, const u8 *addr, const u8 *data,
3996 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
3998 struct i802_bss *bss = priv;
3999 struct wpa_driver_nl80211_data *drv = bss->drv;
4000 struct ieee80211_hdr *hdr;
4004 int qos = flags & WPA_STA_WMM;
4006 if (drv->device_ap_sme || !drv->use_monitor)
4007 return nl80211_send_eapol_data(bss, addr, data, data_len);
4009 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4011 hdr = os_zalloc(len);
4013 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4014 (unsigned long) len);
4018 hdr->frame_control =
4019 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4020 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4022 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
4024 hdr->frame_control |=
4025 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4028 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4029 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4030 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4031 pos = (u8 *) (hdr + 1);
4034 /* Set highest priority in QoS header */
4040 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4041 pos += sizeof(rfc1042_header);
4042 WPA_PUT_BE16(pos, ETH_P_PAE);
4044 memcpy(pos, data, data_len);
4046 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4049 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4051 (unsigned long) len, errno, strerror(errno));
4059 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4061 int flags_or, int flags_and)
4063 struct i802_bss *bss = priv;
4065 struct nlattr *flags;
4066 struct nl80211_sta_flag_update upd;
4068 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4069 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4070 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4071 !!(total_flags & WPA_STA_AUTHORIZED));
4073 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4074 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4078 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4079 * can be removed eventually.
4081 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
4083 ((total_flags & WPA_STA_AUTHORIZED) &&
4084 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4085 ((total_flags & WPA_STA_WMM) &&
4086 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4087 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4088 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4089 ((total_flags & WPA_STA_MFP) &&
4090 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4091 ((total_flags & WPA_STA_TDLS_PEER) &&
4092 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4095 nla_nest_end(msg, flags);
4097 os_memset(&upd, 0, sizeof(upd));
4098 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4099 upd.set = sta_flags_nl80211(flags_or);
4100 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4103 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
4110 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4111 struct wpa_driver_associate_params *params)
4113 enum nl80211_iftype nlmode, old_mode;
4116 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4118 nlmode = NL80211_IFTYPE_P2P_GO;
4120 nlmode = NL80211_IFTYPE_AP;
4122 old_mode = drv->nlmode;
4123 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
4124 nl80211_remove_monitor_interface(drv);
4128 if (nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) {
4129 if (old_mode != nlmode)
4130 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
4131 nl80211_remove_monitor_interface(drv);
4139 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4145 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
4146 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4148 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4149 "(%s)", ret, strerror(-ret));
4151 wpa_printf(MSG_DEBUG,
4152 "nl80211: Leave IBSS request sent successfully");
4156 wpa_driver_nl80211_set_mode(drv->first_bss,
4157 NL80211_IFTYPE_STATION)) {
4158 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4166 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4167 struct wpa_driver_associate_params *params)
4173 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4175 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) {
4176 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4182 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
4183 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4186 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4187 params->ssid, params->ssid_len);
4188 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4190 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4191 drv->ssid_len = params->ssid_len;
4193 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4194 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled);
4195 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4196 params->freq.sec_channel_offset);
4197 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled);
4198 wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1);
4199 wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2);
4200 wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth);
4201 if (nl80211_put_freq_params(msg, ¶ms->freq) < 0)
4204 if (params->beacon_int > 0) {
4205 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
4206 if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
4207 params->beacon_int))
4211 ret = nl80211_set_conn_keys(params, msg);
4215 if (params->bssid && params->fixed_bssid) {
4216 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4217 MAC2STR(params->bssid));
4218 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4222 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4223 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4224 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4225 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
4226 wpa_printf(MSG_DEBUG, " * control port");
4227 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4231 if (params->wpa_ie) {
4232 wpa_hexdump(MSG_DEBUG,
4233 " * Extra IEs for Beacon/Probe Response frames",
4234 params->wpa_ie, params->wpa_ie_len);
4235 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4240 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4243 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4244 ret, strerror(-ret));
4246 if (ret == -EALREADY && count == 1) {
4247 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4249 nl80211_leave_ibss(drv, 0);
4254 wpa_printf(MSG_DEBUG,
4255 "nl80211: Join IBSS request sent successfully");
4264 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4265 struct wpa_driver_associate_params *params,
4268 if (params->bssid) {
4269 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4270 MAC2STR(params->bssid));
4271 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4275 if (params->bssid_hint) {
4276 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4277 MAC2STR(params->bssid_hint));
4278 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4279 params->bssid_hint))
4283 if (params->freq.freq) {
4284 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4285 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4288 drv->assoc_freq = params->freq.freq;
4290 drv->assoc_freq = 0;
4292 if (params->freq_hint) {
4293 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
4294 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4299 if (params->bg_scan_period >= 0) {
4300 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4301 params->bg_scan_period);
4302 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4303 params->bg_scan_period))
4308 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4309 params->ssid, params->ssid_len);
4310 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4313 if (params->ssid_len > sizeof(drv->ssid))
4315 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4316 drv->ssid_len = params->ssid_len;
4319 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
4320 if (params->wpa_ie &&
4321 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4324 if (params->wpa_proto) {
4325 enum nl80211_wpa_versions ver = 0;
4327 if (params->wpa_proto & WPA_PROTO_WPA)
4328 ver |= NL80211_WPA_VERSION_1;
4329 if (params->wpa_proto & WPA_PROTO_RSN)
4330 ver |= NL80211_WPA_VERSION_2;
4332 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
4333 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4337 if (params->pairwise_suite != WPA_CIPHER_NONE) {
4338 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4339 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
4340 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4345 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4346 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4348 * This is likely to work even though many drivers do not
4349 * advertise support for operations without GTK.
4351 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4352 } else if (params->group_suite != WPA_CIPHER_NONE) {
4353 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4354 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
4355 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4359 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4360 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4361 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4362 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
4363 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
4364 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4365 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4366 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4367 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
4368 int mgmt = WLAN_AKM_SUITE_PSK;
4370 switch (params->key_mgmt_suite) {
4371 case WPA_KEY_MGMT_CCKM:
4372 mgmt = WLAN_AKM_SUITE_CCKM;
4374 case WPA_KEY_MGMT_IEEE8021X:
4375 mgmt = WLAN_AKM_SUITE_8021X;
4377 case WPA_KEY_MGMT_FT_IEEE8021X:
4378 mgmt = WLAN_AKM_SUITE_FT_8021X;
4380 case WPA_KEY_MGMT_FT_PSK:
4381 mgmt = WLAN_AKM_SUITE_FT_PSK;
4383 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4384 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4386 case WPA_KEY_MGMT_PSK_SHA256:
4387 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4389 case WPA_KEY_MGMT_OSEN:
4390 mgmt = WLAN_AKM_SUITE_OSEN;
4392 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4393 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4395 case WPA_KEY_MGMT_PSK:
4397 mgmt = WLAN_AKM_SUITE_PSK;
4400 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
4401 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4405 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4408 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4409 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4412 if (params->rrm_used) {
4413 u32 drv_rrm_flags = drv->capa.rrm_flags;
4414 if (!(drv_rrm_flags &
4415 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
4416 !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4417 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4421 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4424 if (params->htcaps && params->htcaps_mask) {
4425 int sz = sizeof(struct ieee80211_ht_capabilities);
4426 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4427 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4428 params->htcaps_mask, sz);
4429 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4431 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4432 params->htcaps_mask))
4436 #ifdef CONFIG_VHT_OVERRIDES
4437 if (params->disable_vht) {
4438 wpa_printf(MSG_DEBUG, " * VHT disabled");
4439 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4443 if (params->vhtcaps && params->vhtcaps_mask) {
4444 int sz = sizeof(struct ieee80211_vht_capabilities);
4445 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4446 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4447 params->vhtcaps_mask, sz);
4448 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4450 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4451 params->vhtcaps_mask))
4454 #endif /* CONFIG_VHT_OVERRIDES */
4457 wpa_printf(MSG_DEBUG, " * P2P group");
4463 static int wpa_driver_nl80211_try_connect(
4464 struct wpa_driver_nl80211_data *drv,
4465 struct wpa_driver_associate_params *params)
4468 enum nl80211_auth_type type;
4472 if (params->req_key_mgmt_offload && params->psk &&
4473 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4474 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4475 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4476 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4477 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4482 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4483 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
4487 ret = nl80211_connect_common(drv, params, msg);
4492 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4494 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4496 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4499 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4501 goto skip_auth_type;
4504 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4505 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4506 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4507 type = NL80211_AUTHTYPE_SHARED_KEY;
4508 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4509 type = NL80211_AUTHTYPE_NETWORK_EAP;
4510 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4511 type = NL80211_AUTHTYPE_FT;
4515 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4516 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4520 ret = nl80211_set_conn_keys(params, msg);
4524 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4527 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4528 "(%s)", ret, strerror(-ret));
4530 wpa_printf(MSG_DEBUG,
4531 "nl80211: Connect request send successfully");
4541 static int wpa_driver_nl80211_connect(
4542 struct wpa_driver_nl80211_data *drv,
4543 struct wpa_driver_associate_params *params)
4547 /* Store the connection attempted bssid for future use */
4549 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4551 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4553 ret = wpa_driver_nl80211_try_connect(drv, params);
4554 if (ret == -EALREADY) {
4556 * cfg80211 does not currently accept new connections if
4557 * we are already connected. As a workaround, force
4558 * disconnection and try again.
4560 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4561 "disconnecting before reassociation "
4563 if (wpa_driver_nl80211_disconnect(
4564 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4566 ret = wpa_driver_nl80211_try_connect(drv, params);
4572 static int wpa_driver_nl80211_associate(
4573 void *priv, struct wpa_driver_associate_params *params)
4575 struct i802_bss *bss = priv;
4576 struct wpa_driver_nl80211_data *drv = bss->drv;
4580 nl80211_unmask_11b_rates(bss);
4582 if (params->mode == IEEE80211_MODE_AP)
4583 return wpa_driver_nl80211_ap(drv, params);
4585 if (params->mode == IEEE80211_MODE_IBSS)
4586 return wpa_driver_nl80211_ibss(drv, params);
4588 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
4589 enum nl80211_iftype nlmode = params->p2p ?
4590 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4592 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4594 return wpa_driver_nl80211_connect(drv, params);
4597 nl80211_mark_disconnected(drv);
4599 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4601 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4605 ret = nl80211_connect_common(drv, params, msg);
4609 if (params->prev_bssid) {
4610 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4611 MAC2STR(params->prev_bssid));
4612 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4613 params->prev_bssid))
4617 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4620 wpa_dbg(drv->ctx, MSG_DEBUG,
4621 "nl80211: MLME command failed (assoc): ret=%d (%s)",
4622 ret, strerror(-ret));
4623 nl80211_dump_scan(drv);
4625 wpa_printf(MSG_DEBUG,
4626 "nl80211: Association request send successfully");
4635 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
4636 int ifindex, enum nl80211_iftype mode)
4641 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4642 ifindex, mode, nl80211_iftype_str(mode));
4644 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4645 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
4648 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4654 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4655 " %d (%s)", ifindex, mode, ret, strerror(-ret));
4660 static int wpa_driver_nl80211_set_mode_impl(
4661 struct i802_bss *bss,
4662 enum nl80211_iftype nlmode,
4663 struct hostapd_freq_params *desired_freq_params)
4665 struct wpa_driver_nl80211_data *drv = bss->drv;
4668 int was_ap = is_ap_interface(drv->nlmode);
4670 int mode_switch_res;
4672 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4673 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4674 mode_switch_res = 0;
4676 if (mode_switch_res == 0) {
4677 drv->nlmode = nlmode;
4682 if (mode_switch_res == -ENODEV)
4685 if (nlmode == drv->nlmode) {
4686 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4687 "requested mode - ignore error");
4689 goto done; /* Already in the requested mode */
4692 /* mac80211 doesn't allow mode changes while the device is up, so
4693 * take the device down, try to set the mode again, and bring the
4696 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4698 for (i = 0; i < 10; i++) {
4699 res = i802_set_iface_flags(bss, 0);
4700 if (res == -EACCES || res == -ENODEV)
4703 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4705 os_sleep(0, 100000);
4710 * Setting the mode will fail for some drivers if the phy is
4711 * on a frequency that the mode is disallowed in.
4713 if (desired_freq_params) {
4714 res = nl80211_set_channel(bss, desired_freq_params, 0);
4716 wpa_printf(MSG_DEBUG,
4717 "nl80211: Failed to set frequency on interface");
4721 /* Try to set the mode again while the interface is down */
4722 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4723 if (mode_switch_res == -EBUSY) {
4724 wpa_printf(MSG_DEBUG,
4725 "nl80211: Delaying mode set while interface going down");
4726 os_sleep(0, 100000);
4729 ret = mode_switch_res;
4734 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4735 "interface is down");
4736 drv->nlmode = nlmode;
4737 drv->ignore_if_down_event = 1;
4740 /* Bring the interface back up */
4741 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4743 wpa_printf(MSG_DEBUG,
4744 "nl80211: Failed to set interface up after switching mode");
4750 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4751 "from %d failed", nlmode, drv->nlmode);
4755 if (is_p2p_net_interface(nlmode)) {
4756 wpa_printf(MSG_DEBUG,
4757 "nl80211: Interface %s mode change to P2P - disable 11b rates",
4759 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
4760 } else if (drv->disabled_11b_rates) {
4761 wpa_printf(MSG_DEBUG,
4762 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4764 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4767 if (is_ap_interface(nlmode)) {
4768 nl80211_mgmt_unsubscribe(bss, "start AP");
4769 /* Setup additional AP mode functionality if needed */
4770 if (nl80211_setup_ap(bss))
4772 } else if (was_ap) {
4773 /* Remove additional AP mode functionality */
4774 nl80211_teardown_ap(bss);
4776 nl80211_mgmt_unsubscribe(bss, "mode change");
4779 if (is_mesh_interface(nlmode) &&
4780 nl80211_mgmt_subscribe_mesh(bss))
4783 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
4784 !is_mesh_interface(nlmode) &&
4785 nl80211_mgmt_subscribe_non_ap(bss) < 0)
4786 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
4787 "frame processing - ignore for now");
4793 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
4794 enum nl80211_iftype nlmode)
4796 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
4800 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
4801 struct hostapd_freq_params *freq)
4803 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4808 static int wpa_driver_nl80211_get_capa(void *priv,
4809 struct wpa_driver_capa *capa)
4811 struct i802_bss *bss = priv;
4812 struct wpa_driver_nl80211_data *drv = bss->drv;
4814 if (!drv->has_capability)
4816 os_memcpy(capa, &drv->capa, sizeof(*capa));
4817 if (drv->extended_capa && drv->extended_capa_mask) {
4818 capa->extended_capa = drv->extended_capa;
4819 capa->extended_capa_mask = drv->extended_capa_mask;
4820 capa->extended_capa_len = drv->extended_capa_len;
4827 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
4829 struct i802_bss *bss = priv;
4830 struct wpa_driver_nl80211_data *drv = bss->drv;
4832 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
4833 bss->ifname, drv->operstate, state,
4834 state ? "UP" : "DORMANT");
4835 drv->operstate = state;
4836 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
4837 state ? IF_OPER_UP : IF_OPER_DORMANT);
4841 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
4843 struct i802_bss *bss = priv;
4844 struct wpa_driver_nl80211_data *drv = bss->drv;
4846 struct nl80211_sta_flag_update upd;
4849 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
4850 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
4854 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
4855 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
4857 os_memset(&upd, 0, sizeof(upd));
4858 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
4860 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
4862 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4863 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
4864 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
4869 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4872 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
4873 ret, strerror(-ret));
4878 /* Set kernel driver on given frequency (MHz) */
4879 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
4881 struct i802_bss *bss = priv;
4882 return nl80211_set_channel(bss, freq, 0);
4886 static inline int min_int(int a, int b)
4894 static int get_key_handler(struct nl_msg *msg, void *arg)
4896 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4897 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4899 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4900 genlmsg_attrlen(gnlh, 0), NULL);
4903 * TODO: validate the key index and mac address!
4904 * Otherwise, there's a race condition as soon as
4905 * the kernel starts sending key notifications.
4908 if (tb[NL80211_ATTR_KEY_SEQ])
4909 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
4910 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4915 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
4918 struct i802_bss *bss = priv;
4919 struct wpa_driver_nl80211_data *drv = bss->drv;
4922 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
4923 NL80211_CMD_GET_KEY);
4925 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
4926 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
4933 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
4937 static int i802_set_rts(void *priv, int rts)
4939 struct i802_bss *bss = priv;
4940 struct wpa_driver_nl80211_data *drv = bss->drv;
4950 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
4951 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
4956 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4959 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
4960 "%d (%s)", rts, ret, strerror(-ret));
4965 static int i802_set_frag(void *priv, int frag)
4967 struct i802_bss *bss = priv;
4968 struct wpa_driver_nl80211_data *drv = bss->drv;
4978 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
4979 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
4984 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4987 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
4988 "%d: %d (%s)", frag, ret, strerror(-ret));
4993 static int i802_flush(void *priv)
4995 struct i802_bss *bss = priv;
4999 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5003 * XXX: FIX! this needs to flush all VLANs too
5005 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5006 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5008 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5009 "(%s)", res, strerror(-res));
5015 static int get_sta_handler(struct nl_msg *msg, void *arg)
5017 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5018 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5019 struct hostap_sta_driver_data *data = arg;
5020 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5021 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5022 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5023 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5024 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5025 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5026 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
5027 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
5030 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5031 genlmsg_attrlen(gnlh, 0), NULL);
5034 * TODO: validate the interface and mac address!
5035 * Otherwise, there's a race condition as soon as
5036 * the kernel starts sending station notifications.
5039 if (!tb[NL80211_ATTR_STA_INFO]) {
5040 wpa_printf(MSG_DEBUG, "sta stats missing!");
5043 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5044 tb[NL80211_ATTR_STA_INFO],
5046 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5050 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5051 data->inactive_msec =
5052 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5053 if (stats[NL80211_STA_INFO_RX_BYTES])
5054 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5055 if (stats[NL80211_STA_INFO_TX_BYTES])
5056 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5057 if (stats[NL80211_STA_INFO_RX_PACKETS])
5059 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5060 if (stats[NL80211_STA_INFO_TX_PACKETS])
5062 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
5063 if (stats[NL80211_STA_INFO_TX_FAILED])
5064 data->tx_retry_failed =
5065 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
5070 static int i802_read_sta_data(struct i802_bss *bss,
5071 struct hostap_sta_driver_data *data,
5076 os_memset(data, 0, sizeof(*data));
5078 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5079 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
5084 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
5088 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5089 int cw_min, int cw_max, int burst_time)
5091 struct i802_bss *bss = priv;
5092 struct wpa_driver_nl80211_data *drv = bss->drv;
5094 struct nlattr *txq, *params;
5096 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
5100 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5104 /* We are only sending parameters for a single TXQ at a time */
5105 params = nla_nest_start(msg, 1);
5111 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5115 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5119 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5123 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5127 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5128 * 32 usec, so need to convert the value here. */
5129 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5130 (burst_time * 100 + 16) / 32) ||
5131 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5132 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5133 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5136 nla_nest_end(msg, params);
5138 nla_nest_end(msg, txq);
5140 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5149 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
5150 const char *ifname, int vlan_id)
5152 struct wpa_driver_nl80211_data *drv = bss->drv;
5156 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5157 ", ifname=%s[%d], vlan_id=%d)",
5158 bss->ifname, if_nametoindex(bss->ifname),
5159 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
5160 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5161 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5162 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5167 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5169 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5170 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5171 MAC2STR(addr), ifname, vlan_id, ret,
5178 static int i802_get_inact_sec(void *priv, const u8 *addr)
5180 struct hostap_sta_driver_data data;
5183 data.inactive_msec = (unsigned long) -1;
5184 ret = i802_read_sta_data(priv, &data, addr);
5185 if (ret || data.inactive_msec == (unsigned long) -1)
5187 return data.inactive_msec / 1000;
5191 static int i802_sta_clear_stats(void *priv, const u8 *addr)
5200 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5203 struct i802_bss *bss = priv;
5204 struct wpa_driver_nl80211_data *drv = bss->drv;
5205 struct ieee80211_mgmt mgmt;
5207 if (is_mesh_interface(drv->nlmode))
5210 if (drv->device_ap_sme)
5211 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
5213 memset(&mgmt, 0, sizeof(mgmt));
5214 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5215 WLAN_FC_STYPE_DEAUTH);
5216 memcpy(mgmt.da, addr, ETH_ALEN);
5217 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5218 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5219 mgmt.u.deauth.reason_code = host_to_le16(reason);
5220 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5222 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5227 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5230 struct i802_bss *bss = priv;
5231 struct wpa_driver_nl80211_data *drv = bss->drv;
5232 struct ieee80211_mgmt mgmt;
5234 if (is_mesh_interface(drv->nlmode))
5237 if (drv->device_ap_sme)
5238 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
5240 memset(&mgmt, 0, sizeof(mgmt));
5241 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5242 WLAN_FC_STYPE_DISASSOC);
5243 memcpy(mgmt.da, addr, ETH_ALEN);
5244 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5245 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5246 mgmt.u.disassoc.reason_code = host_to_le16(reason);
5247 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5249 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5254 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5256 char buf[200], *pos, *end;
5260 end = pos + sizeof(buf);
5262 for (i = 0; i < drv->num_if_indices; i++) {
5263 if (!drv->if_indices[i])
5265 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
5266 if (os_snprintf_error(end - pos, res))
5272 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5273 drv->num_if_indices, buf);
5277 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5282 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5284 if (have_ifidx(drv, ifidx)) {
5285 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5289 for (i = 0; i < drv->num_if_indices; i++) {
5290 if (drv->if_indices[i] == 0) {
5291 drv->if_indices[i] = ifidx;
5297 if (drv->if_indices != drv->default_if_indices)
5298 old = drv->if_indices;
5302 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5304 if (!drv->if_indices) {
5306 drv->if_indices = drv->default_if_indices;
5308 drv->if_indices = old;
5309 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5311 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5314 os_memcpy(drv->if_indices, drv->default_if_indices,
5315 sizeof(drv->default_if_indices));
5316 drv->if_indices[drv->num_if_indices] = ifidx;
5317 drv->num_if_indices++;
5322 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5326 for (i = 0; i < drv->num_if_indices; i++) {
5327 if (drv->if_indices[i] == ifidx) {
5328 drv->if_indices[i] = 0;
5336 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5340 for (i = 0; i < drv->num_if_indices; i++)
5341 if (drv->if_indices[i] == ifidx)
5348 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
5349 const char *bridge_ifname, char *ifname_wds)
5351 struct i802_bss *bss = priv;
5352 struct wpa_driver_nl80211_data *drv = bss->drv;
5353 char name[IFNAMSIZ + 1];
5355 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
5357 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5359 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5360 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5362 if (!if_nametoindex(name)) {
5363 if (nl80211_create_iface(drv, name,
5364 NL80211_IFTYPE_AP_VLAN,
5365 bss->addr, 1, NULL, NULL, 0) <
5368 if (bridge_ifname &&
5369 linux_br_add_if(drv->global->ioctl_sock,
5370 bridge_ifname, name) < 0)
5373 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5374 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5375 "interface %s up", name);
5377 return i802_set_sta_vlan(priv, addr, name, 0);
5380 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5383 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
5384 nl80211_remove_iface(drv, if_nametoindex(name));
5390 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5392 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5393 struct sockaddr_ll lladdr;
5394 unsigned char buf[3000];
5396 socklen_t fromlen = sizeof(lladdr);
5398 len = recvfrom(sock, buf, sizeof(buf), 0,
5399 (struct sockaddr *)&lladdr, &fromlen);
5401 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5406 if (have_ifidx(drv, lladdr.sll_ifindex))
5407 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5411 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
5412 struct i802_bss *bss,
5413 const char *brname, const char *ifname)
5416 char in_br[IFNAMSIZ];
5418 os_strlcpy(bss->brname, brname, IFNAMSIZ);
5419 br_ifindex = if_nametoindex(brname);
5420 if (br_ifindex == 0) {
5422 * Bridge was configured, but the bridge device does
5423 * not exist. Try to add it now.
5425 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
5426 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5427 "bridge interface %s: %s",
5428 brname, strerror(errno));
5431 bss->added_bridge = 1;
5432 br_ifindex = if_nametoindex(brname);
5433 add_ifidx(drv, br_ifindex);
5435 bss->br_ifindex = br_ifindex;
5437 if (linux_br_get(in_br, ifname) == 0) {
5438 if (os_strcmp(in_br, brname) == 0)
5439 return 0; /* already in the bridge */
5441 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5442 "bridge %s", ifname, in_br);
5443 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5445 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5446 "remove interface %s from bridge "
5448 ifname, brname, strerror(errno));
5453 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5455 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
5456 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5457 "into bridge %s: %s",
5458 ifname, brname, strerror(errno));
5461 bss->added_if_into_bridge = 1;
5467 static void *i802_init(struct hostapd_data *hapd,
5468 struct wpa_init_params *params)
5470 struct wpa_driver_nl80211_data *drv;
5471 struct i802_bss *bss;
5473 char brname[IFNAMSIZ];
5474 int ifindex, br_ifindex;
5477 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5478 params->global_priv, 1,
5479 params->bssid, params->driver_params);
5485 if (linux_br_get(brname, params->ifname) == 0) {
5486 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5487 params->ifname, brname);
5488 br_ifindex = if_nametoindex(brname);
5489 os_strlcpy(bss->brname, brname, IFNAMSIZ);
5494 bss->br_ifindex = br_ifindex;
5496 for (i = 0; i < params->num_bridge; i++) {
5497 if (params->bridge[i]) {
5498 ifindex = if_nametoindex(params->bridge[i]);
5500 add_ifidx(drv, ifindex);
5501 if (ifindex == br_ifindex)
5506 /* start listening for EAPOL on the default AP interface */
5507 add_ifidx(drv, drv->ifindex);
5509 if (params->num_bridge && params->bridge[0]) {
5510 if (i802_check_bridge(drv, bss, params->bridge[0],
5511 params->ifname) < 0)
5513 if (os_strcmp(params->bridge[0], brname) != 0)
5517 if (!br_added && br_ifindex &&
5518 (params->num_bridge == 0 || !params->bridge[0]))
5519 add_ifidx(drv, br_ifindex);
5521 #ifdef CONFIG_LIBNL3_ROUTE
5522 if (bss->added_if_into_bridge) {
5523 drv->rtnl_sk = nl_socket_alloc();
5524 if (drv->rtnl_sk == NULL) {
5525 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5529 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5530 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5535 #endif /* CONFIG_LIBNL3_ROUTE */
5537 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5538 if (drv->eapol_sock < 0) {
5539 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5544 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5546 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
5550 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5553 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
5555 memcpy(bss->addr, params->own_addr, ETH_ALEN);
5560 wpa_driver_nl80211_deinit(bss);
5565 static void i802_deinit(void *priv)
5567 struct i802_bss *bss = priv;
5568 wpa_driver_nl80211_deinit(bss);
5572 static enum nl80211_iftype wpa_driver_nl80211_if_type(
5573 enum wpa_driver_if_type type)
5576 case WPA_IF_STATION:
5577 return NL80211_IFTYPE_STATION;
5578 case WPA_IF_P2P_CLIENT:
5579 case WPA_IF_P2P_GROUP:
5580 return NL80211_IFTYPE_P2P_CLIENT;
5581 case WPA_IF_AP_VLAN:
5582 return NL80211_IFTYPE_AP_VLAN;
5584 return NL80211_IFTYPE_AP;
5586 return NL80211_IFTYPE_P2P_GO;
5587 case WPA_IF_P2P_DEVICE:
5588 return NL80211_IFTYPE_P2P_DEVICE;
5590 return NL80211_IFTYPE_MESH_POINT;
5596 #if defined(CONFIG_P2P) || defined(CONFIG_MESH)
5598 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5600 struct wpa_driver_nl80211_data *drv;
5601 dl_list_for_each(drv, &global->interfaces,
5602 struct wpa_driver_nl80211_data, list) {
5603 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
5610 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
5617 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
5618 for (idx = 0; idx < 64; idx++) {
5619 new_addr[0] = drv->first_bss->addr[0] | 0x02;
5620 new_addr[0] ^= idx << 2;
5621 if (!nl80211_addr_in_use(drv->global, new_addr))
5627 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
5628 MACSTR, MAC2STR(new_addr));
5633 #endif /* CONFIG_P2P || CONFIG_MESH */
5639 u8 macaddr[ETH_ALEN];
5642 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
5644 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5645 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5646 struct wdev_info *wi = arg;
5648 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5649 genlmsg_attrlen(gnlh, 0), NULL);
5650 if (tb[NL80211_ATTR_WDEV]) {
5651 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5652 wi->wdev_id_set = 1;
5655 if (tb[NL80211_ATTR_MAC])
5656 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
5663 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
5664 const char *ifname, const u8 *addr,
5665 void *bss_ctx, void **drv_priv,
5666 char *force_ifname, u8 *if_addr,
5667 const char *bridge, int use_existing)
5669 enum nl80211_iftype nlmode;
5670 struct i802_bss *bss = priv;
5671 struct wpa_driver_nl80211_data *drv = bss->drv;
5676 os_memcpy(if_addr, addr, ETH_ALEN);
5677 nlmode = wpa_driver_nl80211_if_type(type);
5678 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
5679 struct wdev_info p2pdev_info;
5681 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
5682 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5683 0, nl80211_wdev_handler,
5684 &p2pdev_info, use_existing);
5685 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
5686 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5691 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5692 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5693 if (!is_zero_ether_addr(p2pdev_info.macaddr))
5694 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5695 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5697 (long long unsigned int) p2pdev_info.wdev_id);
5699 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5700 0, NULL, NULL, use_existing);
5701 if (use_existing && ifidx == -ENFILE) {
5703 ifidx = if_nametoindex(ifname);
5704 } else if (ifidx < 0) {
5710 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5711 os_memcpy(if_addr, bss->addr, ETH_ALEN);
5712 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
5713 bss->ifname, if_addr) < 0) {
5715 nl80211_remove_iface(drv, ifidx);
5720 #if defined(CONFIG_P2P) || defined(CONFIG_MESH)
5722 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
5723 type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) {
5724 /* Enforce unique P2P Interface Address */
5725 u8 new_addr[ETH_ALEN];
5727 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
5730 nl80211_remove_iface(drv, ifidx);
5733 if (nl80211_addr_in_use(drv->global, new_addr)) {
5734 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
5735 "for %s interface", type == WPA_IF_MESH ?
5736 "mesh" : "P2P group");
5737 if (nl80211_vif_addr(drv, new_addr) < 0) {
5739 nl80211_remove_iface(drv, ifidx);
5742 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5745 nl80211_remove_iface(drv, ifidx);
5749 os_memcpy(if_addr, new_addr, ETH_ALEN);
5751 #endif /* CONFIG_P2P || CONFIG_MESH */
5753 if (type == WPA_IF_AP_BSS) {
5754 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5755 if (new_bss == NULL) {
5757 nl80211_remove_iface(drv, ifidx);
5762 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
5763 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
5764 "interface %s to a bridge %s",
5767 nl80211_remove_iface(drv, ifidx);
5772 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
5775 nl80211_remove_iface(drv, ifidx);
5779 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
5780 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
5781 new_bss->ifindex = ifidx;
5783 new_bss->next = drv->first_bss->next;
5784 new_bss->freq = drv->first_bss->freq;
5785 new_bss->ctx = bss_ctx;
5786 new_bss->added_if = added;
5787 drv->first_bss->next = new_bss;
5789 *drv_priv = new_bss;
5790 nl80211_init_bss(new_bss);
5792 /* Subscribe management frames for this WPA_IF_AP_BSS */
5793 if (nl80211_setup_ap(new_bss))
5798 drv->global->if_add_ifindex = ifidx;
5801 * Some virtual interfaces need to process EAPOL packets and events on
5802 * the parent interface. This is used mainly with hostapd.
5806 nlmode == NL80211_IFTYPE_AP_VLAN ||
5807 nlmode == NL80211_IFTYPE_WDS ||
5808 nlmode == NL80211_IFTYPE_MONITOR))
5809 add_ifidx(drv, ifidx);
5815 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
5816 enum wpa_driver_if_type type,
5819 struct wpa_driver_nl80211_data *drv = bss->drv;
5820 int ifindex = if_nametoindex(ifname);
5822 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
5823 __func__, type, ifname, ifindex, bss->added_if);
5824 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
5825 nl80211_remove_iface(drv, ifindex);
5826 else if (ifindex > 0 && !bss->added_if) {
5827 struct wpa_driver_nl80211_data *drv2;
5828 dl_list_for_each(drv2, &drv->global->interfaces,
5829 struct wpa_driver_nl80211_data, list)
5830 del_ifidx(drv2, ifindex);
5833 if (type != WPA_IF_AP_BSS)
5836 if (bss->added_if_into_bridge) {
5837 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
5839 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5840 "interface %s from bridge %s: %s",
5841 bss->ifname, bss->brname, strerror(errno));
5843 if (bss->added_bridge) {
5844 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
5845 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5847 bss->brname, strerror(errno));
5850 if (bss != drv->first_bss) {
5851 struct i802_bss *tbss;
5853 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
5854 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
5855 if (tbss->next == bss) {
5856 tbss->next = bss->next;
5857 /* Unsubscribe management frames */
5858 nl80211_teardown_ap(bss);
5859 nl80211_destroy_bss(bss);
5861 i802_set_iface_flags(bss, 0);
5868 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
5869 "BSS %p in the list", __func__, bss);
5871 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
5872 nl80211_teardown_ap(bss);
5873 if (!bss->added_if && !drv->first_bss->next)
5874 wpa_driver_nl80211_del_beacon(drv);
5875 nl80211_destroy_bss(bss);
5877 i802_set_iface_flags(bss, 0);
5878 if (drv->first_bss->next) {
5879 drv->first_bss = drv->first_bss->next;
5880 drv->ctx = drv->first_bss->ctx;
5883 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
5891 static int cookie_handler(struct nl_msg *msg, void *arg)
5893 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5894 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5896 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5897 genlmsg_attrlen(gnlh, 0), NULL);
5898 if (tb[NL80211_ATTR_COOKIE])
5899 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
5904 static int nl80211_send_frame_cmd(struct i802_bss *bss,
5905 unsigned int freq, unsigned int wait,
5906 const u8 *buf, size_t buf_len,
5907 u64 *cookie_out, int no_cck, int no_ack,
5910 struct wpa_driver_nl80211_data *drv = bss->drv;
5915 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
5916 "no_ack=%d offchanok=%d",
5917 freq, wait, no_cck, no_ack, offchanok);
5918 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
5920 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
5921 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
5922 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
5923 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5924 drv->test_use_roc_tx) &&
5925 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
5926 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
5927 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
5928 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
5932 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5935 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
5936 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
5939 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
5940 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
5941 (long long unsigned int) cookie);
5944 *cookie_out = no_ack ? (u64) -1 : cookie;
5953 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
5955 unsigned int wait_time,
5956 const u8 *dst, const u8 *src,
5958 const u8 *data, size_t data_len,
5961 struct wpa_driver_nl80211_data *drv = bss->drv;
5964 struct ieee80211_hdr *hdr;
5966 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
5967 "freq=%u MHz wait=%d ms no_cck=%d)",
5968 drv->ifindex, freq, wait_time, no_cck);
5970 buf = os_zalloc(24 + data_len);
5973 os_memcpy(buf + 24, data, data_len);
5974 hdr = (struct ieee80211_hdr *) buf;
5975 hdr->frame_control =
5976 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
5977 os_memcpy(hdr->addr1, dst, ETH_ALEN);
5978 os_memcpy(hdr->addr2, src, ETH_ALEN);
5979 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
5981 if (is_ap_interface(drv->nlmode) &&
5982 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5983 (int) freq == bss->freq || drv->device_ap_sme ||
5985 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
5989 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5991 &drv->send_action_cookie,
5999 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6001 struct i802_bss *bss = priv;
6002 struct wpa_driver_nl80211_data *drv = bss->drv;
6006 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6007 (long long unsigned int) drv->send_action_cookie);
6008 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
6009 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6014 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6016 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6017 "(%s)", ret, strerror(-ret));
6021 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6022 unsigned int duration)
6024 struct i802_bss *bss = priv;
6025 struct wpa_driver_nl80211_data *drv = bss->drv;
6030 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
6031 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6032 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6038 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6040 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6041 "0x%llx for freq=%u MHz duration=%u",
6042 (long long unsigned int) cookie, freq, duration);
6043 drv->remain_on_chan_cookie = cookie;
6044 drv->pending_remain_on_chan = 1;
6047 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
6048 "(freq=%d duration=%u): %d (%s)",
6049 freq, duration, ret, strerror(-ret));
6054 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6056 struct i802_bss *bss = priv;
6057 struct wpa_driver_nl80211_data *drv = bss->drv;
6061 if (!drv->pending_remain_on_chan) {
6062 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6067 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6069 (long long unsigned int) drv->remain_on_chan_cookie);
6071 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6073 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6078 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6081 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6082 "%d (%s)", ret, strerror(-ret));
6087 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
6089 struct wpa_driver_nl80211_data *drv = bss->drv;
6092 if (bss->nl_preq && drv->device_ap_sme &&
6093 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6096 * Do not disable Probe Request reporting that was
6097 * enabled in nl80211_setup_ap().
6099 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6100 "Probe Request reporting nl_preq=%p while "
6101 "in AP mode", bss->nl_preq);
6102 } else if (bss->nl_preq) {
6103 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6104 "reporting nl_preq=%p", bss->nl_preq);
6105 nl80211_destroy_eloop_handle(&bss->nl_preq);
6111 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
6112 "already on! nl_preq=%p", bss->nl_preq);
6116 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6117 if (bss->nl_preq == NULL)
6119 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6120 "reporting nl_preq=%p", bss->nl_preq);
6122 if (nl80211_register_frame(bss, bss->nl_preq,
6123 (WLAN_FC_TYPE_MGMT << 2) |
6124 (WLAN_FC_STYPE_PROBE_REQ << 4),
6128 nl80211_register_eloop_read(&bss->nl_preq,
6129 wpa_driver_nl80211_event_receive,
6135 nl_destroy_handles(&bss->nl_preq);
6140 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6141 int ifindex, int disabled)
6144 struct nlattr *bands, *band;
6147 wpa_printf(MSG_DEBUG,
6148 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6149 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6150 "no NL80211_TXRATE_LEGACY constraint");
6152 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6153 NL80211_CMD_SET_TX_BITRATE_MASK);
6157 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6162 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6163 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6164 * rates. All 5 GHz rates are left enabled.
6166 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
6168 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6169 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6171 nla_nest_end(msg, band);
6173 nla_nest_end(msg, bands);
6175 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6177 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6178 "(%s)", ret, strerror(-ret));
6180 drv->disabled_11b_rates = disabled;
6190 static int wpa_driver_nl80211_deinit_ap(void *priv)
6192 struct i802_bss *bss = priv;
6193 struct wpa_driver_nl80211_data *drv = bss->drv;
6194 if (!is_ap_interface(drv->nlmode))
6196 wpa_driver_nl80211_del_beacon(drv);
6197 bss->beacon_set = 0;
6200 * If the P2P GO interface was dynamically added, then it is
6201 * possible that the interface change to station is not possible.
6203 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6206 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6210 static int wpa_driver_nl80211_stop_ap(void *priv)
6212 struct i802_bss *bss = priv;
6213 struct wpa_driver_nl80211_data *drv = bss->drv;
6214 if (!is_ap_interface(drv->nlmode))
6216 wpa_driver_nl80211_del_beacon(drv);
6217 bss->beacon_set = 0;
6222 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6224 struct i802_bss *bss = priv;
6225 struct wpa_driver_nl80211_data *drv = bss->drv;
6226 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6230 * If the P2P Client interface was dynamically added, then it is
6231 * possible that the interface change to station is not possible.
6233 if (bss->if_dynamic)
6236 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6240 static void wpa_driver_nl80211_resume(void *priv)
6242 struct i802_bss *bss = priv;
6244 if (i802_set_iface_flags(bss, 1))
6245 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
6249 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6251 struct i802_bss *bss = priv;
6252 struct wpa_driver_nl80211_data *drv = bss->drv;
6256 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6257 "hysteresis=%d", threshold, hysteresis);
6259 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
6260 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6261 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6262 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6266 nla_nest_end(msg, cqm);
6268 return send_and_recv_msgs(drv, msg, NULL, NULL);
6272 static int get_channel_width(struct nl_msg *msg, void *arg)
6274 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6275 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6276 struct wpa_signal_info *sig_change = arg;
6278 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6279 genlmsg_attrlen(gnlh, 0), NULL);
6281 sig_change->center_frq1 = -1;
6282 sig_change->center_frq2 = -1;
6283 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6285 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6286 sig_change->chanwidth = convert2width(
6287 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6288 if (tb[NL80211_ATTR_CENTER_FREQ1])
6289 sig_change->center_frq1 =
6290 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6291 if (tb[NL80211_ATTR_CENTER_FREQ2])
6292 sig_change->center_frq2 =
6293 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6300 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6301 struct wpa_signal_info *sig)
6305 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
6306 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
6310 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6312 struct i802_bss *bss = priv;
6313 struct wpa_driver_nl80211_data *drv = bss->drv;
6316 os_memset(si, 0, sizeof(*si));
6317 res = nl80211_get_link_signal(drv, si);
6321 res = nl80211_get_channel_width(drv, si);
6325 return nl80211_get_link_noise(drv, si);
6329 static int wpa_driver_nl80211_shared_freq(void *priv)
6331 struct i802_bss *bss = priv;
6332 struct wpa_driver_nl80211_data *drv = bss->drv;
6333 struct wpa_driver_nl80211_data *driver;
6337 * If the same PHY is in connected state with some other interface,
6338 * then retrieve the assoc freq.
6340 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
6343 dl_list_for_each(driver, &drv->global->interfaces,
6344 struct wpa_driver_nl80211_data, list) {
6345 if (drv == driver ||
6346 os_strcmp(drv->phyname, driver->phyname) != 0 ||
6347 !driver->associated)
6350 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
6352 driver->phyname, driver->first_bss->ifname,
6353 MAC2STR(driver->first_bss->addr));
6354 if (is_ap_interface(driver->nlmode))
6355 freq = driver->first_bss->freq;
6357 freq = nl80211_get_assoc_freq(driver);
6358 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
6359 drv->phyname, freq);
6363 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
6364 "PHY (%s) in associated state", drv->phyname);
6370 static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6373 struct i802_bss *bss = priv;
6374 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6379 static int nl80211_set_param(void *priv, const char *param)
6381 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6386 if (os_strstr(param, "use_p2p_group_interface=1")) {
6387 struct i802_bss *bss = priv;
6388 struct wpa_driver_nl80211_data *drv = bss->drv;
6390 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6392 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6393 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6395 #endif /* CONFIG_P2P */
6397 if (os_strstr(param, "use_monitor=1")) {
6398 struct i802_bss *bss = priv;
6399 struct wpa_driver_nl80211_data *drv = bss->drv;
6400 drv->use_monitor = 1;
6403 if (os_strstr(param, "force_connect_cmd=1")) {
6404 struct i802_bss *bss = priv;
6405 struct wpa_driver_nl80211_data *drv = bss->drv;
6406 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
6407 drv->force_connect_cmd = 1;
6410 if (os_strstr(param, "no_offchannel_tx=1")) {
6411 struct i802_bss *bss = priv;
6412 struct wpa_driver_nl80211_data *drv = bss->drv;
6413 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6414 drv->test_use_roc_tx = 1;
6421 static void * nl80211_global_init(void)
6423 struct nl80211_global *global;
6424 struct netlink_config *cfg;
6426 global = os_zalloc(sizeof(*global));
6429 global->ioctl_sock = -1;
6430 dl_list_init(&global->interfaces);
6431 global->if_add_ifindex = -1;
6433 cfg = os_zalloc(sizeof(*cfg));
6438 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6439 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6440 global->netlink = netlink_init(cfg);
6441 if (global->netlink == NULL) {
6446 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6449 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6450 if (global->ioctl_sock < 0) {
6451 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6459 nl80211_global_deinit(global);
6464 static void nl80211_global_deinit(void *priv)
6466 struct nl80211_global *global = priv;
6469 if (!dl_list_empty(&global->interfaces)) {
6470 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6471 "nl80211_global_deinit",
6472 dl_list_len(&global->interfaces));
6475 if (global->netlink)
6476 netlink_deinit(global->netlink);
6478 nl_destroy_handles(&global->nl);
6480 if (global->nl_event)
6481 nl80211_destroy_eloop_handle(&global->nl_event);
6483 nl_cb_put(global->nl_cb);
6485 if (global->ioctl_sock >= 0)
6486 close(global->ioctl_sock);
6492 static const char * nl80211_get_radio_name(void *priv)
6494 struct i802_bss *bss = priv;
6495 struct wpa_driver_nl80211_data *drv = bss->drv;
6496 return drv->phyname;
6500 static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6505 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
6506 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6507 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6512 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6516 static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6518 struct i802_bss *bss = priv;
6519 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6520 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6524 static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6526 struct i802_bss *bss = priv;
6527 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6529 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6533 static int nl80211_flush_pmkid(void *priv)
6535 struct i802_bss *bss = priv;
6536 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6537 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6541 static void clean_survey_results(struct survey_results *survey_results)
6543 struct freq_survey *survey, *tmp;
6545 if (dl_list_empty(&survey_results->survey_list))
6548 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6549 struct freq_survey, list) {
6550 dl_list_del(&survey->list);
6556 static void add_survey(struct nlattr **sinfo, u32 ifidx,
6557 struct dl_list *survey_list)
6559 struct freq_survey *survey;
6561 survey = os_zalloc(sizeof(struct freq_survey));
6565 survey->ifidx = ifidx;
6566 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6569 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6570 survey->nf = (int8_t)
6571 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6572 survey->filled |= SURVEY_HAS_NF;
6575 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6576 survey->channel_time =
6577 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6578 survey->filled |= SURVEY_HAS_CHAN_TIME;
6581 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6582 survey->channel_time_busy =
6583 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6584 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6587 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6588 survey->channel_time_rx =
6589 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6590 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6593 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6594 survey->channel_time_tx =
6595 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6596 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6599 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
6602 (unsigned long int) survey->channel_time,
6603 (unsigned long int) survey->channel_time_busy,
6604 (unsigned long int) survey->channel_time_tx,
6605 (unsigned long int) survey->channel_time_rx,
6608 dl_list_add_tail(survey_list, &survey->list);
6612 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6613 unsigned int freq_filter)
6618 return freq_filter == surveyed_freq;
6622 static int survey_handler(struct nl_msg *msg, void *arg)
6624 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6625 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6626 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6627 struct survey_results *survey_results;
6628 u32 surveyed_freq = 0;
6631 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6632 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6633 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6636 survey_results = (struct survey_results *) arg;
6638 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6639 genlmsg_attrlen(gnlh, 0), NULL);
6641 if (!tb[NL80211_ATTR_IFINDEX])
6644 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6646 if (!tb[NL80211_ATTR_SURVEY_INFO])
6649 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6650 tb[NL80211_ATTR_SURVEY_INFO],
6654 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6655 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6659 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6661 if (!check_survey_ok(sinfo, surveyed_freq,
6662 survey_results->freq_filter))
6665 if (survey_results->freq_filter &&
6666 survey_results->freq_filter != surveyed_freq) {
6667 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6672 add_survey(sinfo, ifidx, &survey_results->survey_list);
6678 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6680 struct i802_bss *bss = priv;
6681 struct wpa_driver_nl80211_data *drv = bss->drv;
6684 union wpa_event_data data;
6685 struct survey_results *survey_results;
6687 os_memset(&data, 0, sizeof(data));
6688 survey_results = &data.survey_results;
6690 dl_list_init(&survey_results->survey_list);
6692 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
6697 data.survey_results.freq_filter = freq;
6700 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6701 err = send_and_recv_msgs(drv, msg, survey_handler,
6706 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
6708 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
6710 clean_survey_results(survey_results);
6715 static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
6716 const u8 *replay_ctr)
6718 struct i802_bss *bss = priv;
6719 struct wpa_driver_nl80211_data *drv = bss->drv;
6720 struct nlattr *replay_nested;
6723 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
6724 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
6725 nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
6726 nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
6727 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6733 nla_nest_end(msg, replay_nested);
6735 send_and_recv_msgs(drv, msg, NULL, NULL);
6739 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6740 const u8 *addr, int qos)
6742 /* send data frame to poll STA and check whether
6743 * this frame is ACKed */
6745 struct ieee80211_hdr hdr;
6747 } STRUCT_PACKED nulldata;
6750 /* Send data frame to poll STA and check whether this frame is ACKed */
6752 os_memset(&nulldata, 0, sizeof(nulldata));
6755 nulldata.hdr.frame_control =
6756 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6757 WLAN_FC_STYPE_QOS_NULL);
6758 size = sizeof(nulldata);
6760 nulldata.hdr.frame_control =
6761 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6762 WLAN_FC_STYPE_NULLFUNC);
6763 size = sizeof(struct ieee80211_hdr);
6766 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6767 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6768 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6769 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6771 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
6773 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6777 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6780 struct i802_bss *bss = priv;
6781 struct wpa_driver_nl80211_data *drv = bss->drv;
6784 if (!drv->poll_command_supported) {
6785 nl80211_send_null_frame(bss, own_addr, addr, qos);
6789 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
6790 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6795 send_and_recv_msgs(drv, msg, NULL, NULL);
6799 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
6803 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
6804 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
6805 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
6809 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6813 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
6816 struct i802_bss *bss = priv;
6818 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
6819 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
6821 if (opp_ps != -1 || ctwindow != -1) {
6823 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
6824 #else /* ANDROID_P2P */
6825 return -1; /* Not yet supported */
6826 #endif /* ANDROID_P2P */
6829 if (legacy_ps == -1)
6831 if (legacy_ps != 0 && legacy_ps != 1)
6832 return -1; /* Not yet supported */
6834 return nl80211_set_power_save(bss, legacy_ps);
6838 static int nl80211_start_radar_detection(void *priv,
6839 struct hostapd_freq_params *freq)
6841 struct i802_bss *bss = priv;
6842 struct wpa_driver_nl80211_data *drv = bss->drv;
6846 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
6847 freq->freq, freq->ht_enabled, freq->vht_enabled,
6848 freq->bandwidth, freq->center_freq1, freq->center_freq2);
6850 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
6851 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
6856 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
6857 nl80211_put_freq_params(msg, freq) < 0) {
6862 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6865 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
6866 "%d (%s)", ret, strerror(-ret));
6872 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
6873 u8 dialog_token, u16 status_code,
6874 u32 peer_capab, int initiator, const u8 *buf,
6877 struct i802_bss *bss = priv;
6878 struct wpa_driver_nl80211_data *drv = bss->drv;
6881 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6887 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
6888 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6889 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
6890 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
6891 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
6895 * The internal enum tdls_peer_capability definition is
6896 * currently identical with the nl80211 enum
6897 * nl80211_tdls_peer_capability, so no conversion is needed
6900 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
6905 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
6906 nla_put(msg, NL80211_ATTR_IE, len, buf))
6909 return send_and_recv_msgs(drv, msg, NULL, NULL);
6917 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
6919 struct i802_bss *bss = priv;
6920 struct wpa_driver_nl80211_data *drv = bss->drv;
6922 enum nl80211_tdls_operation nl80211_oper;
6924 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6928 case TDLS_DISCOVERY_REQ:
6929 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
6932 nl80211_oper = NL80211_TDLS_SETUP;
6935 nl80211_oper = NL80211_TDLS_TEARDOWN;
6937 case TDLS_ENABLE_LINK:
6938 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
6940 case TDLS_DISABLE_LINK:
6941 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
6951 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
6952 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
6953 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
6958 return send_and_recv_msgs(drv, msg, NULL, NULL);
6961 #endif /* CONFIG TDLS */
6964 static int driver_nl80211_set_key(const char *ifname, void *priv,
6965 enum wpa_alg alg, const u8 *addr,
6966 int key_idx, int set_tx,
6967 const u8 *seq, size_t seq_len,
6968 const u8 *key, size_t key_len)
6970 struct i802_bss *bss = priv;
6971 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
6972 set_tx, seq, seq_len, key, key_len);
6976 static int driver_nl80211_scan2(void *priv,
6977 struct wpa_driver_scan_params *params)
6979 struct i802_bss *bss = priv;
6980 return wpa_driver_nl80211_scan(bss, params);
6984 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
6987 struct i802_bss *bss = priv;
6988 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
6992 static int driver_nl80211_authenticate(void *priv,
6993 struct wpa_driver_auth_params *params)
6995 struct i802_bss *bss = priv;
6996 return wpa_driver_nl80211_authenticate(bss, params);
7000 static void driver_nl80211_deinit(void *priv)
7002 struct i802_bss *bss = priv;
7003 wpa_driver_nl80211_deinit(bss);
7007 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7010 struct i802_bss *bss = priv;
7011 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7015 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7016 size_t data_len, int noack)
7018 struct i802_bss *bss = priv;
7019 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7024 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7026 struct i802_bss *bss = priv;
7027 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
7031 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7032 const char *ifname, int vlan_id)
7034 struct i802_bss *bss = priv;
7035 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7039 static int driver_nl80211_read_sta_data(void *priv,
7040 struct hostap_sta_driver_data *data,
7043 struct i802_bss *bss = priv;
7044 return i802_read_sta_data(bss, data, addr);
7048 static int driver_nl80211_send_action(void *priv, unsigned int freq,
7049 unsigned int wait_time,
7050 const u8 *dst, const u8 *src,
7052 const u8 *data, size_t data_len,
7055 struct i802_bss *bss = priv;
7056 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7057 bssid, data, data_len, no_cck);
7061 static int driver_nl80211_probe_req_report(void *priv, int report)
7063 struct i802_bss *bss = priv;
7064 return wpa_driver_nl80211_probe_req_report(bss, report);
7068 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7069 const u8 *ies, size_t ies_len)
7073 struct i802_bss *bss = priv;
7074 struct wpa_driver_nl80211_data *drv = bss->drv;
7075 u16 mdid = WPA_GET_LE16(md);
7077 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
7078 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
7079 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7080 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7085 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7087 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7088 "err=%d (%s)", ret, strerror(-ret));
7095 const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7097 struct i802_bss *bss = priv;
7098 struct wpa_driver_nl80211_data *drv = bss->drv;
7100 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7107 static const char * scan_state_str(enum scan_states scan_state)
7109 switch (scan_state) {
7112 case SCAN_REQUESTED:
7113 return "SCAN_REQUESTED";
7115 return "SCAN_STARTED";
7116 case SCAN_COMPLETED:
7117 return "SCAN_COMPLETED";
7119 return "SCAN_ABORTED";
7120 case SCHED_SCAN_STARTED:
7121 return "SCHED_SCAN_STARTED";
7122 case SCHED_SCAN_STOPPED:
7123 return "SCHED_SCAN_STOPPED";
7124 case SCHED_SCAN_RESULTS:
7125 return "SCHED_SCAN_RESULTS";
7132 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7134 struct i802_bss *bss = priv;
7135 struct wpa_driver_nl80211_data *drv = bss->drv;
7142 res = os_snprintf(pos, end - pos,
7154 bss->beacon_set ? "beacon_set=1\n" : "",
7155 bss->added_if_into_bridge ?
7156 "added_if_into_bridge=1\n" : "",
7157 bss->added_bridge ? "added_bridge=1\n" : "",
7158 bss->in_deinit ? "in_deinit=1\n" : "",
7159 bss->if_dynamic ? "if_dynamic=1\n" : "");
7160 if (os_snprintf_error(end - pos, res))
7164 if (bss->wdev_id_set) {
7165 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7166 (unsigned long long) bss->wdev_id);
7167 if (os_snprintf_error(end - pos, res))
7172 res = os_snprintf(pos, end - pos,
7174 "perm_addr=" MACSTR "\n"
7178 "auth_bssid=" MACSTR "\n"
7179 "auth_attempt_bssid=" MACSTR "\n"
7180 "bssid=" MACSTR "\n"
7181 "prev_bssid=" MACSTR "\n"
7185 "monitor_ifidx=%d\n"
7186 "monitor_refcount=%d\n"
7187 "last_mgmt_freq=%u\n"
7188 "eapol_tx_sock=%d\n"
7189 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7191 MAC2STR(drv->perm_addr),
7194 scan_state_str(drv->scan_state),
7195 MAC2STR(drv->auth_bssid),
7196 MAC2STR(drv->auth_attempt_bssid),
7197 MAC2STR(drv->bssid),
7198 MAC2STR(drv->prev_bssid),
7203 drv->monitor_refcount,
7204 drv->last_mgmt_freq,
7206 drv->ignore_if_down_event ?
7207 "ignore_if_down_event=1\n" : "",
7208 drv->scan_complete_events ?
7209 "scan_complete_events=1\n" : "",
7210 drv->disabled_11b_rates ?
7211 "disabled_11b_rates=1\n" : "",
7212 drv->pending_remain_on_chan ?
7213 "pending_remain_on_chan=1\n" : "",
7214 drv->in_interface_list ? "in_interface_list=1\n" : "",
7215 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7216 drv->poll_command_supported ?
7217 "poll_command_supported=1\n" : "",
7218 drv->data_tx_status ? "data_tx_status=1\n" : "",
7219 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7220 drv->retry_auth ? "retry_auth=1\n" : "",
7221 drv->use_monitor ? "use_monitor=1\n" : "",
7222 drv->ignore_next_local_disconnect ?
7223 "ignore_next_local_disconnect=1\n" : "",
7224 drv->ignore_next_local_deauth ?
7225 "ignore_next_local_deauth=1\n" : "");
7226 if (os_snprintf_error(end - pos, res))
7230 if (drv->has_capability) {
7231 res = os_snprintf(pos, end - pos,
7232 "capa.key_mgmt=0x%x\n"
7235 "capa.flags=0x%llx\n"
7236 "capa.rrm_flags=0x%x\n"
7237 "capa.max_scan_ssids=%d\n"
7238 "capa.max_sched_scan_ssids=%d\n"
7239 "capa.sched_scan_supported=%d\n"
7240 "capa.max_match_sets=%d\n"
7241 "capa.max_remain_on_chan=%u\n"
7242 "capa.max_stations=%u\n"
7243 "capa.probe_resp_offloads=0x%x\n"
7244 "capa.max_acl_mac_addrs=%u\n"
7245 "capa.num_multichan_concurrent=%u\n",
7249 (unsigned long long) drv->capa.flags,
7250 drv->capa.rrm_flags,
7251 drv->capa.max_scan_ssids,
7252 drv->capa.max_sched_scan_ssids,
7253 drv->capa.sched_scan_supported,
7254 drv->capa.max_match_sets,
7255 drv->capa.max_remain_on_chan,
7256 drv->capa.max_stations,
7257 drv->capa.probe_resp_offloads,
7258 drv->capa.max_acl_mac_addrs,
7259 drv->capa.num_multichan_concurrent);
7260 if (os_snprintf_error(end - pos, res))
7269 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7271 if ((settings->head &&
7272 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7273 settings->head_len, settings->head)) ||
7275 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7276 settings->tail_len, settings->tail)) ||
7277 (settings->beacon_ies &&
7278 nla_put(msg, NL80211_ATTR_IE,
7279 settings->beacon_ies_len, settings->beacon_ies)) ||
7280 (settings->proberesp_ies &&
7281 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7282 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7283 (settings->assocresp_ies &&
7284 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7285 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7286 (settings->probe_resp &&
7287 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7288 settings->probe_resp_len, settings->probe_resp)))
7295 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7298 struct i802_bss *bss = priv;
7299 struct wpa_driver_nl80211_data *drv = bss->drv;
7300 struct nlattr *beacon_csa;
7303 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7304 settings->cs_count, settings->block_tx,
7305 settings->freq_params.freq, settings->freq_params.bandwidth,
7306 settings->freq_params.center_freq1,
7307 settings->freq_params.center_freq2);
7309 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
7310 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7314 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7315 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7318 /* check settings validity */
7319 if (!settings->beacon_csa.tail ||
7320 ((settings->beacon_csa.tail_len <=
7321 settings->counter_offset_beacon) ||
7322 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
7323 settings->cs_count)))
7326 if (settings->beacon_csa.probe_resp &&
7327 ((settings->beacon_csa.probe_resp_len <=
7328 settings->counter_offset_presp) ||
7329 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
7330 settings->cs_count)))
7333 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
7334 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7335 settings->cs_count) ||
7336 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7337 (settings->block_tx &&
7338 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
7341 /* beacon_after params */
7342 ret = set_beacon_data(msg, &settings->beacon_after);
7346 /* beacon_csa params */
7347 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7351 ret = set_beacon_data(msg, &settings->beacon_csa);
7355 if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7356 settings->counter_offset_beacon) ||
7357 (settings->beacon_csa.probe_resp &&
7358 nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7359 settings->counter_offset_presp)))
7362 nla_nest_end(msg, beacon_csa);
7363 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7365 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7366 ret, strerror(-ret));
7374 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7379 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7380 u8 user_priority, u16 admitted_time)
7382 struct i802_bss *bss = priv;
7383 struct wpa_driver_nl80211_data *drv = bss->drv;
7387 wpa_printf(MSG_DEBUG,
7388 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7389 tsid, admitted_time, user_priority);
7391 if (!is_sta_interface(drv->nlmode))
7394 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7396 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7397 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7398 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7399 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7404 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7406 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7407 ret, strerror(-ret));
7412 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7414 struct i802_bss *bss = priv;
7415 struct wpa_driver_nl80211_data *drv = bss->drv;
7419 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7421 if (!is_sta_interface(drv->nlmode))
7424 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
7425 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7426 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7431 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7433 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7434 ret, strerror(-ret));
7439 #ifdef CONFIG_TESTING_OPTIONS
7440 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7442 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7443 struct wpabuf *buf = arg;
7448 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7449 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7453 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7454 genlmsg_attrlen(gnlh, 0));
7458 #endif /* CONFIG_TESTING_OPTIONS */
7461 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7463 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7464 struct nlattr *nl_vendor_reply, *nl;
7465 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7466 struct wpabuf *buf = arg;
7472 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7473 genlmsg_attrlen(gnlh, 0), NULL);
7474 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7476 if (!nl_vendor_reply)
7479 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7480 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7484 nla_for_each_nested(nl, nl_vendor_reply, rem) {
7485 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7492 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7493 unsigned int subcmd, const u8 *data,
7494 size_t data_len, struct wpabuf *buf)
7496 struct i802_bss *bss = priv;
7497 struct wpa_driver_nl80211_data *drv = bss->drv;
7501 #ifdef CONFIG_TESTING_OPTIONS
7502 if (vendor_id == 0xffffffff) {
7503 msg = nlmsg_alloc();
7507 nl80211_cmd(drv, msg, 0, subcmd);
7508 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7511 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7513 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7517 #endif /* CONFIG_TESTING_OPTIONS */
7519 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
7520 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7521 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7523 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7526 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7528 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7538 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7541 struct i802_bss *bss = priv;
7542 struct wpa_driver_nl80211_data *drv = bss->drv;
7546 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7547 qos_map_set, qos_map_set_len);
7549 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
7550 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7555 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7557 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7563 static int nl80211_set_wowlan(void *priv,
7564 const struct wowlan_triggers *triggers)
7566 struct i802_bss *bss = priv;
7567 struct wpa_driver_nl80211_data *drv = bss->drv;
7569 struct nlattr *wowlan_triggers;
7572 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7574 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WOWLAN)) ||
7575 !(wowlan_triggers = nla_nest_start(msg,
7576 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7578 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7579 (triggers->disconnect &&
7580 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7581 (triggers->magic_pkt &&
7582 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7583 (triggers->gtk_rekey_failure &&
7584 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7585 (triggers->eap_identity_req &&
7586 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7587 (triggers->four_way_handshake &&
7588 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7589 (triggers->rfkill_release &&
7590 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7595 nla_nest_end(msg, wowlan_triggers);
7597 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7599 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7605 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7607 struct i802_bss *bss = priv;
7608 struct wpa_driver_nl80211_data *drv = bss->drv;
7610 struct nlattr *params;
7612 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7614 if (!drv->roaming_vendor_cmd_avail) {
7615 wpa_printf(MSG_DEBUG,
7616 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7620 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
7621 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7622 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7623 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7624 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7625 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7626 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7627 QCA_ROAMING_NOT_ALLOWED) ||
7629 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7633 nla_nest_end(msg, params);
7635 return send_and_recv_msgs(drv, msg, NULL, NULL);
7639 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7641 struct i802_bss *bss = priv;
7642 struct wpa_driver_nl80211_data *drv = bss->drv;
7643 int new_addr = addr != NULL;
7646 addr = drv->perm_addr;
7648 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7651 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
7653 wpa_printf(MSG_DEBUG,
7654 "nl80211: failed to set_mac_addr for %s to " MACSTR,
7655 bss->ifname, MAC2STR(addr));
7656 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
7658 wpa_printf(MSG_DEBUG,
7659 "nl80211: Could not restore interface UP after failed set_mac_addr");
7664 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
7665 bss->ifname, MAC2STR(addr));
7666 drv->addr_changed = new_addr;
7667 os_memcpy(bss->addr, addr, ETH_ALEN);
7669 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
7671 wpa_printf(MSG_DEBUG,
7672 "nl80211: Could not restore interface UP after set_mac_addr");
7681 static int wpa_driver_nl80211_init_mesh(void *priv)
7683 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
7684 wpa_printf(MSG_INFO,
7685 "nl80211: Failed to set interface into mesh mode");
7693 wpa_driver_nl80211_join_mesh(void *priv,
7694 struct wpa_driver_mesh_join_params *params)
7696 struct i802_bss *bss = priv;
7697 struct wpa_driver_nl80211_data *drv = bss->drv;
7699 struct nlattr *container;
7702 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
7703 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
7707 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7708 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
7712 if (params->ht_mode) {
7713 unsigned int ht_value;
7716 switch (params->ht_mode) {
7719 ht_value = NL80211_CHAN_NO_HT;
7723 ht_value = NL80211_CHAN_HT20;
7727 ht_value = NL80211_CHAN_HT40PLUS;
7730 case CHAN_HT40MINUS:
7731 ht_value = NL80211_CHAN_HT40MINUS;
7735 wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode);
7736 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value))
7740 if (params->basic_rates) {
7741 u8 rates[NL80211_MAX_SUPP_RATES];
7745 for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) {
7746 if (params->basic_rates[i] < 0)
7748 rates[rates_len++] = params->basic_rates[i] / 5;
7751 if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
7756 if (params->meshid) {
7757 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7758 params->meshid, params->meshid_len);
7759 if (nla_put(msg, NL80211_ATTR_MESH_ID, params->meshid_len,
7764 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
7766 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
7771 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
7772 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
7776 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
7777 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
7778 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
7779 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
7782 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
7783 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
7785 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
7786 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
7788 nla_nest_end(msg, container);
7790 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
7794 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
7795 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
7797 nla_nest_end(msg, container);
7799 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7802 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
7803 ret, strerror(-ret));
7807 bss->freq = params->freq;
7808 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
7816 static int wpa_driver_nl80211_leave_mesh(void *priv)
7818 struct i802_bss *bss = priv;
7819 struct wpa_driver_nl80211_data *drv = bss->drv;
7823 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
7824 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
7825 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7827 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
7828 ret, strerror(-ret));
7830 wpa_printf(MSG_DEBUG,
7831 "nl80211: mesh leave request send successfully");
7834 if (wpa_driver_nl80211_set_mode(drv->first_bss,
7835 NL80211_IFTYPE_STATION)) {
7836 wpa_printf(MSG_INFO,
7837 "nl80211: Failed to set interface into station mode");
7842 #endif /* CONFIG_MESH */
7845 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
7846 const u8 *ipaddr, int prefixlen,
7849 #ifdef CONFIG_LIBNL3_ROUTE
7850 struct i802_bss *bss = priv;
7851 struct wpa_driver_nl80211_data *drv = bss->drv;
7852 struct rtnl_neigh *rn;
7853 struct nl_addr *nl_ipaddr = NULL;
7854 struct nl_addr *nl_lladdr = NULL;
7855 int family, addrsize;
7858 if (!ipaddr || prefixlen == 0 || !addr)
7861 if (bss->br_ifindex == 0) {
7862 wpa_printf(MSG_DEBUG,
7863 "nl80211: bridge must be set before adding an ip neigh to it");
7867 if (!drv->rtnl_sk) {
7868 wpa_printf(MSG_DEBUG,
7869 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7876 } else if (version == 6) {
7883 rn = rtnl_neigh_alloc();
7887 /* set the destination ip address for neigh */
7888 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
7889 if (nl_ipaddr == NULL) {
7890 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
7894 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
7895 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
7897 wpa_printf(MSG_DEBUG,
7898 "nl80211: neigh set destination addr failed");
7902 /* set the corresponding lladdr for neigh */
7903 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
7904 if (nl_lladdr == NULL) {
7905 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
7909 rtnl_neigh_set_lladdr(rn, nl_lladdr);
7911 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
7912 rtnl_neigh_set_state(rn, NUD_PERMANENT);
7914 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
7916 wpa_printf(MSG_DEBUG,
7917 "nl80211: Adding bridge ip neigh failed: %s",
7922 nl_addr_put(nl_lladdr);
7924 nl_addr_put(nl_ipaddr);
7928 #else /* CONFIG_LIBNL3_ROUTE */
7930 #endif /* CONFIG_LIBNL3_ROUTE */
7934 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
7937 #ifdef CONFIG_LIBNL3_ROUTE
7938 struct i802_bss *bss = priv;
7939 struct wpa_driver_nl80211_data *drv = bss->drv;
7940 struct rtnl_neigh *rn;
7941 struct nl_addr *nl_ipaddr;
7942 int family, addrsize;
7951 } else if (version == 6) {
7958 if (bss->br_ifindex == 0) {
7959 wpa_printf(MSG_DEBUG,
7960 "nl80211: bridge must be set to delete an ip neigh");
7964 if (!drv->rtnl_sk) {
7965 wpa_printf(MSG_DEBUG,
7966 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7970 rn = rtnl_neigh_alloc();
7974 /* set the destination ip address for neigh */
7975 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
7976 if (nl_ipaddr == NULL) {
7977 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
7981 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
7983 wpa_printf(MSG_DEBUG,
7984 "nl80211: neigh set destination addr failed");
7988 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
7990 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
7992 wpa_printf(MSG_DEBUG,
7993 "nl80211: Deleting bridge ip neigh failed: %s",
7998 nl_addr_put(nl_ipaddr);
8002 #else /* CONFIG_LIBNL3_ROUTE */
8004 #endif /* CONFIG_LIBNL3_ROUTE */
8008 static int linux_write_system_file(const char *path, unsigned int val)
8013 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
8014 if (os_snprintf_error(sizeof(buf), len))
8017 fd = open(path, O_WRONLY);
8021 if (write(fd, buf, len) < 0) {
8022 wpa_printf(MSG_DEBUG,
8023 "nl80211: Failed to write Linux system file: %s with the value of %d",
8034 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8037 case DRV_BR_PORT_ATTR_PROXYARP:
8039 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8040 return "hairpin_mode";
8047 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8050 struct i802_bss *bss = priv;
8052 const char *attr_txt;
8054 attr_txt = drv_br_port_attr_str(attr);
8055 if (attr_txt == NULL)
8058 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8059 bss->ifname, attr_txt);
8061 if (linux_write_system_file(path, val))
8068 static const char * drv_br_net_param_str(enum drv_br_net_param param)
8071 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8072 return "arp_accept";
8079 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8082 struct i802_bss *bss = priv;
8084 const char *param_txt;
8087 param_txt = drv_br_net_param_str(param);
8088 if (param_txt == NULL)
8092 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8099 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8100 ip_version, bss->brname, param_txt);
8102 if (linux_write_system_file(path, val))
8109 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8112 case HOSTAPD_MODE_IEEE80211B:
8113 return QCA_ACS_MODE_IEEE80211B;
8114 case HOSTAPD_MODE_IEEE80211G:
8115 return QCA_ACS_MODE_IEEE80211G;
8116 case HOSTAPD_MODE_IEEE80211A:
8117 return QCA_ACS_MODE_IEEE80211A;
8118 case HOSTAPD_MODE_IEEE80211AD:
8119 return QCA_ACS_MODE_IEEE80211AD;
8126 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8128 struct i802_bss *bss = priv;
8129 struct wpa_driver_nl80211_data *drv = bss->drv;
8131 struct nlattr *data;
8135 mode = hw_mode_to_qca_acs(params->hw_mode);
8139 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8140 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8141 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8142 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8143 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8144 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8145 (params->ht_enabled &&
8146 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8147 (params->ht40_enabled &&
8148 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED))) {
8152 nla_nest_end(msg, data);
8154 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8156 wpa_printf(MSG_DEBUG,
8157 "nl80211: Failed to invoke driver ACS function: %s",
8164 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8166 .desc = "Linux nl80211/cfg80211",
8167 .get_bssid = wpa_driver_nl80211_get_bssid,
8168 .get_ssid = wpa_driver_nl80211_get_ssid,
8169 .set_key = driver_nl80211_set_key,
8170 .scan2 = driver_nl80211_scan2,
8171 .sched_scan = wpa_driver_nl80211_sched_scan,
8172 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
8173 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
8174 .deauthenticate = driver_nl80211_deauthenticate,
8175 .authenticate = driver_nl80211_authenticate,
8176 .associate = wpa_driver_nl80211_associate,
8177 .global_init = nl80211_global_init,
8178 .global_deinit = nl80211_global_deinit,
8179 .init2 = wpa_driver_nl80211_init,
8180 .deinit = driver_nl80211_deinit,
8181 .get_capa = wpa_driver_nl80211_get_capa,
8182 .set_operstate = wpa_driver_nl80211_set_operstate,
8183 .set_supp_port = wpa_driver_nl80211_set_supp_port,
8184 .set_country = wpa_driver_nl80211_set_country,
8185 .get_country = wpa_driver_nl80211_get_country,
8186 .set_ap = wpa_driver_nl80211_set_ap,
8187 .set_acl = wpa_driver_nl80211_set_acl,
8188 .if_add = wpa_driver_nl80211_if_add,
8189 .if_remove = driver_nl80211_if_remove,
8190 .send_mlme = driver_nl80211_send_mlme,
8191 .get_hw_feature_data = nl80211_get_hw_feature_data,
8192 .sta_add = wpa_driver_nl80211_sta_add,
8193 .sta_remove = driver_nl80211_sta_remove,
8194 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
8195 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
8196 .hapd_init = i802_init,
8197 .hapd_deinit = i802_deinit,
8198 .set_wds_sta = i802_set_wds_sta,
8199 .get_seqnum = i802_get_seqnum,
8200 .flush = i802_flush,
8201 .get_inact_sec = i802_get_inact_sec,
8202 .sta_clear_stats = i802_sta_clear_stats,
8203 .set_rts = i802_set_rts,
8204 .set_frag = i802_set_frag,
8205 .set_tx_queue_params = i802_set_tx_queue_params,
8206 .set_sta_vlan = driver_nl80211_set_sta_vlan,
8207 .sta_deauth = i802_sta_deauth,
8208 .sta_disassoc = i802_sta_disassoc,
8209 .read_sta_data = driver_nl80211_read_sta_data,
8210 .set_freq = i802_set_freq,
8211 .send_action = driver_nl80211_send_action,
8212 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
8213 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8214 .cancel_remain_on_channel =
8215 wpa_driver_nl80211_cancel_remain_on_channel,
8216 .probe_req_report = driver_nl80211_probe_req_report,
8217 .deinit_ap = wpa_driver_nl80211_deinit_ap,
8218 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
8219 .resume = wpa_driver_nl80211_resume,
8220 .signal_monitor = nl80211_signal_monitor,
8221 .signal_poll = nl80211_signal_poll,
8222 .send_frame = nl80211_send_frame,
8223 .shared_freq = wpa_driver_nl80211_shared_freq,
8224 .set_param = nl80211_set_param,
8225 .get_radio_name = nl80211_get_radio_name,
8226 .add_pmkid = nl80211_add_pmkid,
8227 .remove_pmkid = nl80211_remove_pmkid,
8228 .flush_pmkid = nl80211_flush_pmkid,
8229 .set_rekey_info = nl80211_set_rekey_info,
8230 .poll_client = nl80211_poll_client,
8231 .set_p2p_powersave = nl80211_set_p2p_powersave,
8232 .start_dfs_cac = nl80211_start_radar_detection,
8233 .stop_ap = wpa_driver_nl80211_stop_ap,
8235 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8236 .tdls_oper = nl80211_tdls_oper,
8237 #endif /* CONFIG_TDLS */
8238 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
8239 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
8240 .get_survey = wpa_driver_nl80211_get_survey,
8241 .status = wpa_driver_nl80211_status,
8242 .switch_channel = nl80211_switch_channel,
8244 .set_noa = wpa_driver_set_p2p_noa,
8245 .get_noa = wpa_driver_get_p2p_noa,
8246 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8247 #endif /* ANDROID_P2P */
8249 .driver_cmd = wpa_driver_nl80211_driver_cmd,
8250 #endif /* ANDROID */
8251 .vendor_cmd = nl80211_vendor_cmd,
8252 .set_qos_map = nl80211_set_qos_map,
8253 .set_wowlan = nl80211_set_wowlan,
8254 .roaming = nl80211_roaming,
8255 .set_mac_addr = nl80211_set_mac_addr,
8257 .init_mesh = wpa_driver_nl80211_init_mesh,
8258 .join_mesh = wpa_driver_nl80211_join_mesh,
8259 .leave_mesh = wpa_driver_nl80211_leave_mesh,
8260 #endif /* CONFIG_MESH */
8261 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8262 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
8263 .br_port_set_attr = wpa_driver_br_port_set_attr,
8264 .br_set_net_param = wpa_driver_br_set_net_param,
8265 .add_tx_ts = nl80211_add_ts,
8266 .del_tx_ts = nl80211_del_ts,
8267 .do_acs = wpa_driver_do_acs,